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Rose Valley California Weather Records (USR0000CROS)

Record envelope, standing records and threshold days for Rose Valley California (USR0000CROS), California, United States, with 31 years of record.

Key Facts for Rose Valley California

  • Rose Valley California (USR0000CROS) is a weather station in California, United States at 34.54 latitude and -119.18 longitude, 1,015 m (3,331 ft) above sea level.
  • The station reports from 1993 to 2023, 31 years of record.
  • 1,464 records set at Rose Valley California still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Rose Valley California set a daily record high minimum temperature of 13.3 C (55.9 F) on 11 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: California, United States, 34.54 latitude, -119.18 longitude.
  • Elevation: 1,015 m (3,331 ft).
  • Period of record: 1993 to 2023, 31 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

19 days at or beyond a record
Daily record high and record low at Rose Valley California, with 2026 drawn through them The band shows the record high and record low for each calendar day at Rose Valley California. The lines show the 2026 daily maximum and minimum. 19 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Rose Valley California. The lines show the 2026 daily maximum and minimum. 19 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Rose Valley California, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan33.3 C (91.9 F)-16.1 C (3.0 F)25.0 C (77.0 F)-7.8 C (18.0 F)
Feb30.0 C (86.0 F)-10.6 C (12.9 F)29.4 C (84.9 F)-5.0 C (23.0 F)
Mar32.2 C (90.0 F)-10.0 C (14.0 F)32.2 C (90.0 F)-2.8 C (27.0 F)
Apr32.8 C (91.0 F)-7.2 C (19.0 F)26.7 C (80.1 F)-3.3 C (26.1 F)
May37.2 C (99.0 F)-2.8 C (27.0 F)33.3 C (91.9 F)0.0 C (32.0 F)
Jun41.7 C (107.1 F)-1.7 C (28.9 F)32.2 C (90.0 F)3.3 C (37.9 F)
Jul41.8 C (107.2 F)0.0 C (32.0 F)37.2 C (99.0 F)2.8 C (37.0 F)
Aug40.0 C (104.0 F)0.0 C (32.0 F)36.7 C (98.1 F)4.4 C (39.9 F)
Sep41.1 C (106.0 F)-2.2 C (28.0 F)36.1 C (97.0 F)1.1 C (34.0 F)
Oct38.8 C (101.8 F)-7.8 C (18.0 F)34.4 C (93.9 F)5.0 C (41.0 F)
Nov31.7 C (89.1 F)-12.2 C (10.0 F)n/an/a
Dec29.4 C (84.9 F)-14.4 C (6.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Rose Valley California by the year they were set 1,464 records at Rose Valley California still stand. 2002 holds the most, with 75. 0204060801993: 51994: 431995: 451996: 461997: 471998: 631999: 492000: 572001: 362002: 752003: 432004: 372005: 442006: 482007: 492008: 332009: 352010: 482011: 552012: 502013: 482014: 352015: 512016: 332017: 442018: 232019: 392020: 442021: 382022: 352023: 532024: 472025: 412026: 25199319972001200520092013201720212025
1,464 records at Rose Valley California still stand. 2002 holds the most, with 75.
Standing records at Rose Valley California by the year they were set
Year setStanding records
19935
199443
199545
199646
199747
199863
199949
200057
200136
200275
200343
200437
200544
200648
200749
200833
200935
201048
201155
201250
201348
201435
201551
201633
201744
201823
201939
202044
202138
202235
202353
202447
202541
202625

All-Time Record Progression

1 new records
When Rose Valley California set new all-time records 1 all-time records were set at Rose Valley California between 5 July 2024 and 5 July 2024. Each dot is a new record. Record high maximum temperature5 July 2024: Record high maximum temperature 41.8 C (107.2 F)2025
1 all-time records were set at Rose Valley California between 5 July 2024 and 5 July 2024. Each dot is a new record.
When Rose Valley California set new all-time records
DateKindDetail
2024-07-05Record high maximum temperatureRecord high maximum temperature 41.8 C (107.2 F)

Period of Record Coverage

1993 to 2026
Days with data per year at Rose Valley California 34 years of record at Rose Valley California, 1993 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1993, 2026. 1993: 51 of 365 days1994: 363 of 365 days1995: 362 of 365 days1996: 333 of 366 days1997: 365 of 365 days1998: 357 of 365 days1999: 365 of 365 days2000: 365 of 366 days2001: 365 of 365 days2002: 337 of 365 days2003: 365 of 365 days2004: 365 of 366 days2005: 364 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 363 of 365 days2010: 364 of 365 days2011: 363 of 365 days2012: 363 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 364 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 365 of 365 days2023: 362 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 284 of 365 days1995200020052010201520202025
34 years of record at Rose Valley California, 1993 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1993, 2026.
Days with data per year at Rose Valley California
YearDays with dataShare of yearComplete
19935114%No
199436399%Yes
199536299%Yes
199633391%Yes
1997365100%Yes
199835798%Yes
1999365100%Yes
2000365100%Yes
2001365100%Yes
200233792%Yes
2003365100%Yes
2004365100%Yes
2005364100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
200936399%Yes
2010364100%Yes
201136399%Yes
201236399%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
201636499%Yes
2017365100%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021364100%Yes
2022365100%Yes
202336299%Yes
2024366100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Rose Valley California
DateStationRecordValueBeat old record byOld record stoodSignificance
11 October 2026Rose Valley California, USdaily high min (Provisional)13.3 C (55.9 F)3.3 C (5.9 F)24 years19 of 100 (Routine)
8 October 2026Rose Valley California, USdaily high min (Provisional)8.9 C (48.0 F)1.1 C (2.0 F)11 years9 of 100 (Routine)
7 October 2026Rose Valley California, USdaily high min (Provisional)8.9 C (48.0 F)0.6 C (1.1 F)4 years5 of 100 (Routine)
6 October 2026Rose Valley California, USdaily high min (Provisional)8.9 C (48.0 F)0.3 C (0.5 F)1 year3 of 100 (Routine)
10 September 2026Rose Valley California, USdaily high max (Provisional)36.1 C (97.0 F)1.7 C (3.1 F)21 years12 of 100 (Routine)
6 September 2026Rose Valley California, USdaily low max (Provisional)23.3 C (73.9 F)3.4 C (6.1 F)3 years10 of 100 (Routine)
2 September 2026Rose Valley California, USdaily low min (Provisional)1.1 C (34.0 F)0.6 C (1.1 F)20 years10 of 100 (Routine)
27 August 2026Rose Valley California, USdaily high min (Provisional)16.7 C (62.1 F)2.3 C (4.1 F)7 years11 of 100 (Routine)
14 August 2026Rose Valley California, USdaily low max (Tie)26.7 C (80.1 F)tie20 years2 of 100 (Routine)
13 August 2026Rose Valley California, USdaily low max26.7 C (80.1 F)1.6 C (2.9 F)20 years13 of 100 (Routine)
11 August 2026Rose Valley California, USdaily high min16.7 C (62.1 F)0.6 C (1.1 F)4 years5 of 100 (Routine)
1 August 2026Rose Valley California, USdaily high max (Tie)36.7 C (98.1 F)tie12 years1 of 100 (Routine)
2 July 2026Rose Valley California, USdaily low min2.8 C (37.0 F)1.1 C (2.0 F)28 years13 of 100 (Routine)
1 July 2026Rose Valley California, USdaily low max21.7 C (71.1 F)1.6 C (2.9 F)21 years13 of 100 (Routine)
30 June 2026Rose Valley California, USdaily low max (Tie)21.7 C (71.1 F)tie21 years2 of 100 (Routine)
28 May 2026Rose Valley California, USdaily low max12.8 C (55.0 F)3.9 C (7.0 F)28 years17 of 100 (Routine)
27 May 2026Rose Valley California, USdaily low max13.9 C (57.0 F)1.1 C (2.0 F)16 years8 of 100 (Routine)
10 May 2026Rose Valley California, USdaily high max33.3 C (91.9 F)2.2 C (4.0 F)28 years14 of 100 (Routine)
9 April 2026Rose Valley California, USdaily high min (Tie)6.7 C (44.1 F)tie7 years1 of 100 (Routine)
31 March 2026Rose Valley California, USdaily high min7.8 C (46.0 F)3.9 C (7.0 F)8 years18 of 100 (Routine)

Climate Trend

30 complete years, 1994 to 2025
Annual mean temperature at Rose Valley California as warming stripes, 1994 to 2025 One stripe for each of 30 complete years at Rose Valley California, 1994 to 2025. Blue stripes are years cooler than the station's own mean of 12.6 C (54.7 F); red stripes are warmer. The coolest year was 1998, at 11.1 C (52.1 F), and the warmest was 2014, at 13.7 C (56.6 F). The strongest colour marks a difference of 1.5 C (2.7 F). 1994: 12.0 C, -0.7 C from the station mean1995: 12.8 C, +0.2 C from the station mean1997: 12.7 C, +0.1 C from the station mean1998: 11.1 C, -1.5 C from the station mean1999: 11.9 C, -0.7 C from the station mean2000: 12.4 C, -0.2 C from the station mean2001: 12.4 C, -0.2 C from the station mean2003: 13.0 C, +0.4 C from the station mean2004: 12.0 C, -0.6 C from the station mean2005: 12.4 C, -0.2 C from the station mean2006: 12.4 C, -0.3 C from the station mean2007: 12.4 C, -0.2 C from the station mean2008: 12.8 C, +0.2 C from the station mean2009: 12.3 C, -0.3 C from the station mean2010: 11.8 C, -0.8 C from the station mean2011: 11.9 C, -0.7 C from the station mean2012: 13.0 C, +0.4 C from the station mean2013: 12.8 C, +0.2 C from the station mean2014: 13.7 C, +1.1 C from the station mean2015: 13.0 C, +0.4 C from the station mean2016: 12.9 C, +0.3 C from the station mean2017: 13.1 C, +0.5 C from the station mean2018: 13.4 C, +0.7 C from the station mean2019: 12.2 C, -0.5 C from the station mean2020: 13.1 C, +0.5 C from the station mean2021: 13.3 C, +0.7 C from the station mean2022: 13.4 C, +0.8 C from the station mean2023: 12.0 C, -0.6 C from the station mean2024: 13.2 C, +0.6 C from the station mean2025: 12.7 C, +0.1 C from the station mean1994200020052010201520202025
One stripe for each of 30 complete years at Rose Valley California, 1994 to 2025. Blue stripes are years cooler than the station's own mean of 12.6 C (54.7 F); red stripes are warmer. The coolest year was 1998, at 11.1 C (52.1 F), and the warmest was 2014, at 13.7 C (56.6 F). The strongest colour marks a difference of 1.5 C (2.7 F).
Annual mean temperature at Rose Valley California as warming stripes, 1994 to 2025
YearAnnual mean temperatureDifference from the station mean
199412.0 C-0.65 C
199512.8 C+0.19 C
199712.7 C+0.11 C
199811.1 C-1.46 C
199911.9 C-0.68 C
200012.4 C-0.21 C
200112.4 C-0.19 C
200313.0 C+0.41 C
200412.0 C-0.56 C
200512.4 C-0.22 C
200612.4 C-0.25 C
200712.4 C-0.22 C
200812.8 C+0.21 C
200912.3 C-0.30 C
201011.8 C-0.80 C
201111.9 C-0.66 C
201213.0 C+0.42 C
201312.8 C+0.24 C
201413.7 C+1.06 C
201513.0 C+0.38 C
201612.9 C+0.28 C
201713.1 C+0.49 C
201813.4 C+0.75 C
201912.2 C-0.45 C
202013.1 C+0.50 C
202113.3 C+0.74 C
202213.4 C+0.77 C
202312.0 C-0.59 C
202413.2 C+0.60 C
202512.7 C+0.13 C

The annual mean temperature here has risen by 0.3 C (0.1 to 0.5) per decade over 1994 to 2025. In Fahrenheit: 0.6 F (0.2 to 0.9) per decade. The slope is a straight line fitted to 30 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Rose Valley California
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.1 to 0.5) per decade0.6 F (0.2 to 0.9) per decade1994 to 202530Rise
Mean daily maximum0.2 C (-0.2 to 0.6) per decade0.3 F (-0.4 to 1.0) per decade1994 to 202530Not clearly different from zero
Mean daily minimum0.4 C (0.2 to 0.7) per decade0.8 F (0.3 to 1.3) per decade1994 to 202530Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1993 to 2026
Yearly extremes at Rose Valley California: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.8 C (107.2 F)202438.9 C (102.0 F)34
Coldest night (TNn)-16.1 C (3.0 F)2007-10.0 C (14.0 F)34

Hottest day (TXx)

Hottest day (TXx) at Rose Valley California by year The hottest day of the year at Rose Valley California, 1993 to 2026. The record is 41.8 C (107.2 F) in 2024, marked on the chart; the median year is 38.9 C (102.0 F). 202530354045200020102020Record: 41.8 C (107.2 F) in 2024
The hottest day of the year at Rose Valley California, 1993 to 2026. The record is 41.8 C (107.2 F) in 2024, marked on the chart; the median year is 38.9 C (102.0 F).
Hottest day (TXx) at Rose Valley California by year
YearHottest day (TXx)
199323.3 C (73.9 F)
199439.4 C (102.9 F)
199540.0 C (104.0 F)
199638.9 C (102.0 F)
199739.4 C (102.9 F)
199839.4 C (102.9 F)
199937.2 C (99.0 F)
200039.4 C (102.9 F)
200138.9 C (102.0 F)
200238.9 C (102.0 F)
200338.9 C (102.0 F)
200437.8 C (100.0 F)
200540.0 C (104.0 F)
200640.6 C (105.1 F)
200740.6 C (105.1 F)
200838.9 C (102.0 F)
200938.9 C (102.0 F)
201038.3 C (100.9 F)
201138.3 C (100.9 F)
201238.9 C (102.0 F)
201341.7 C (107.1 F)
201437.8 C (100.0 F)
201536.7 C (98.1 F)
201638.9 C (102.0 F)
201738.9 C (102.0 F)
201839.4 C (102.9 F)
201936.1 C (97.0 F)
202041.1 C (106.0 F)
202141.7 C (107.1 F)
202240.0 C (104.0 F)
202340.6 C (105.1 F)
202441.8 C (107.2 F)
202536.7 C (98.1 F)
202637.2 C (99.0 F)

Coldest night (TNn)

Coldest night (TNn) at Rose Valley California by year The coldest night of the year at Rose Valley California, 1993 to 2026. The record is -16.1 C (3.0 F) in 2007, marked on the chart; the median year is -10.0 C (14.0 F). -17.5-15-12.5-10-7.5-5200020102020Record: -16.1 C (3.0 F) in 2007
The coldest night of the year at Rose Valley California, 1993 to 2026. The record is -16.1 C (3.0 F) in 2007, marked on the chart; the median year is -10.0 C (14.0 F).
Coldest night (TNn) at Rose Valley California by year
YearColdest night (TNn)
1993-7.8 C (18.0 F)
1994-11.1 C (12.0 F)
1995-7.2 C (19.0 F)
1996-7.8 C (18.0 F)
1997-11.1 C (12.0 F)
1998-14.4 C (6.1 F)
1999-9.4 C (15.1 F)
2000-8.9 C (16.0 F)
2001-8.3 C (17.1 F)
2002-10.6 C (12.9 F)
2003-10.6 C (12.9 F)
2004-10.6 C (12.9 F)
2005-8.3 C (17.1 F)
2006-10.6 C (12.9 F)
2007-16.1 C (3.0 F)
2008-7.8 C (18.0 F)
2009-11.1 C (12.0 F)
2010-8.9 C (16.0 F)
2011-11.1 C (12.0 F)
2012-11.7 C (10.9 F)
2013-11.7 C (10.9 F)
2014-10.0 C (14.0 F)
2015-12.2 C (10.0 F)
2016-13.9 C (7.0 F)
2017-11.1 C (12.0 F)
2018-10.0 C (14.0 F)
2019-9.4 C (15.1 F)
2020-9.4 C (15.1 F)
2021-8.9 C (16.0 F)
2022-9.4 C (15.1 F)
2023-10.0 C (14.0 F)
2024-8.8 C (16.2 F)
2025-9.7 C (14.5 F)
2026-7.8 C (18.0 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

30 years with a frost

Across 30 years with a frost, the median last spring frost at Rose Valley California falls on 20 May and the median first autumn frost on 30 September, which leaves a median of 126 days between them.

Fitted over all years, the growing season changes by +8.6 days per decade at this station.

Frost dates and growing season at Rose Valley California
MeasureMedian, all yearsEarliest periodRecent period (1994 to 2025)Recent against earliestFitted trend
Last spring frost20 Mayn/a20 Mayn/a-0.7 days per decade
First autumn frost30 Septembern/a30 Septembern/a+8.0 days per decade
Growing days126 daysn/a126 daysn/a+8.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Rose Valley California standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Rose Valley California threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-14).