Misawa Weather Records (JAW00044402)

Record envelope, standing records and threshold days for Misawa (JAW00044402), Japan, with 32 years of record.

Key Facts for Misawa

Misawa (JAW00044402) is a weather station in Japan at 40.70 latitude and 141.37 longitude, 39 m (128 ft) above sea level.
The station reports from 1949 to 1980, 32 years of record.
1,464 records set at Misawa still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Japan, 40.70 latitude, 141.37 longitude.
Elevation: 39 m (128 ft).
Period of record: 1949 to 1980, 32 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Misawa. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Misawa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	15.0 C (59.0 F)	-14.4 C (6.1 F)	n/a	n/a
Feb	14.4 C (57.9 F)	-20.0 C (-4.0 F)	n/a	n/a
Mar	20.6 C (69.1 F)	-9.4 C (15.1 F)	n/a	n/a
Apr	26.1 C (79.0 F)	-5.0 C (23.0 F)	n/a	n/a
May	30.6 C (87.1 F)	-0.6 C (30.9 F)	n/a	n/a
Jun	33.3 C (91.9 F)	2.8 C (37.0 F)	n/a	n/a
Jul	36.1 C (97.0 F)	8.3 C (46.9 F)	n/a	n/a
Aug	36.1 C (97.0 F)	11.7 C (53.1 F)	n/a	n/a
Sep	33.3 C (91.9 F)	6.1 C (43.0 F)	n/a	n/a
Oct	26.7 C (80.1 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-6.7 C (19.9 F)	n/a	n/a
Dec	17.2 C (63.0 F)	-15.6 C (3.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Misawa still stand. 1954 holds the most, with 91.

Standing records at Misawa by the year they were set
Year set	Standing records
1949	89
1950	77
1951	68
1952	66
1953	60
1954	91
1955	74
1956	58
1957	47
1958	45
1959	53
1960	62
1961	58
1962	62
1963	49
1964	62
1965	46
1966	77
1967	48
1968	9
1977	69
1978	68
1979	70
1980	56

Wettest Day of Each Month

Sep: 111.0 mm (4.4 in)

The wettest day on record for each calendar month at Misawa. The most was 111.0 mm (4.4 in) on 18 September 1958.

Record daily precipitation for each month at Misawa
Month	Record daily precipitation (mm)	Date
Jan	59.9 mm (2.4 in)	30 January 1980
Feb	56.6 mm (2.2 in)	5 February 1949
Mar	109.5 mm (4.3 in)	24 March 1952
Apr	55.6 mm (2.2 in)	12 April 1954
May	63.5 mm (2.5 in)	30 May 1978
Jun	110.7 mm (4.4 in)	29 June 1966
Jul	110.0 mm (4.3 in)	3 July 1980
Aug	96.3 mm (3.8 in)	23 August 1980
Sep	111.0 mm (4.4 in)	18 September 1958
Oct	95.5 mm (3.8 in)	15 October 1951
Nov	91.2 mm (3.6 in)	3 November 1951
Dec	46.0 mm (1.8 in)	27 December 1958

Period of Record Coverage

1949 to 1980

24 years of record at Misawa, 1949 to 1980. 2 years have data for under 90 percent of days and are left out of rankings: 1968, 1980.

Days with data per year at Misawa
Year	Days with data	Share of year	Complete
1949	364	100%	Yes
1950	363	99%	Yes
1951	362	99%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	364	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	363	99%	Yes
1965	364	100%	Yes
1966	364	100%	Yes
1967	363	99%	Yes
1968	91	25%	No
1977	334	92%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	305	83%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

21 complete years, 1949 to 1979

One stripe for each of 21 complete years at Misawa, 1949 to 1979. Blue stripes are years cooler than the station's own mean of 10.0 C (50.0 F); red stripes are warmer. The coolest year was 1965, at 9.2 C (48.5 F), and the warmest was 1962, at 11.0 C (51.7 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at Misawa as warming stripes, 1949 to 1979
Year	Annual mean temperature	Difference from the station mean
1949	9.8 C	-0.19 C
1950	10.2 C	+0.22 C
1951	10.0 C	0.00 C
1952	9.4 C	-0.56 C
1953	9.5 C	-0.55 C
1954	9.7 C	-0.30 C
1955	10.7 C	+0.73 C
1956	10.0 C	-0.03 C
1957	9.9 C	-0.06 C
1958	10.4 C	+0.42 C
1959	10.6 C	+0.64 C
1960	10.3 C	+0.30 C
1961	10.5 C	+0.49 C
1962	11.0 C	+0.95 C
1963	10.0 C	0.00 C
1964	9.4 C	-0.57 C
1965	9.2 C	-0.85 C
1966	9.3 C	-0.73 C
1967	9.7 C	-0.27 C
1978	9.7 C	-0.30 C
1979	10.7 C	+0.67 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1949 to 1980

Yearly extremes at Misawa: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1953	33.1 C (91.5 F)	24
Coldest night (TNn)	-20.0 C (-4.0 F)	1978	-11.1 C (12.0 F)	24
Wettest day (Rx1day)	111.0 mm (4.4 in)	1958	65.0 mm (2.6 in)	24
Wettest five days (Rx5day)	191.2 mm (7.5 in)	1958	115.4 mm (4.5 in)	24
Longest dry spell (CDD)	21 days	1951	14 days	24

Hottest day (TXx)

The hottest day of the year at Misawa, 1949 to 1980. The record is 36.1 C (97.0 F) in 1953, marked on the chart; the median year is 33.1 C (91.5 F).

Hottest day (TXx) at Misawa by year
Year	Hottest day (TXx)
1949	33.9 C (93.0 F)
1950	35.6 C (96.1 F)
1951	34.4 C (93.9 F)
1952	33.9 C (93.0 F)
1953	36.1 C (97.0 F)
1954	34.4 C (93.9 F)
1955	33.9 C (93.0 F)
1956	34.4 C (93.9 F)
1957	36.1 C (97.0 F)
1958	32.8 C (91.0 F)
1959	33.3 C (91.9 F)
1960	36.1 C (97.0 F)
1961	32.2 C (90.0 F)
1962	35.0 C (95.0 F)
1963	32.2 C (90.0 F)
1964	32.8 C (91.0 F)
1965	31.7 C (89.1 F)
1966	32.2 C (90.0 F)
1967	30.6 C (87.1 F)
1968	20.6 C (69.1 F)
1977	32.2 C (90.0 F)
1978	32.2 C (90.0 F)
1979	32.8 C (91.0 F)
1980	30.0 C (86.0 F)

Coldest night (TNn)

The coldest night of the year at Misawa, 1949 to 1980. The record is -20.0 C (-4.0 F) in 1978, marked on the chart; the median year is -11.1 C (12.0 F).

Coldest night (TNn) at Misawa by year
Year	Coldest night (TNn)
1949	-15.6 C (3.9 F)
1950	-12.2 C (10.0 F)
1951	-11.7 C (10.9 F)
1952	-11.1 C (12.0 F)
1953	-10.6 C (12.9 F)
1954	-12.2 C (10.0 F)
1955	-10.6 C (12.9 F)
1956	-10.0 C (14.0 F)
1957	-8.9 C (16.0 F)
1958	-7.8 C (18.0 F)
1959	-10.6 C (12.9 F)
1960	-9.4 C (15.1 F)
1961	-10.0 C (14.0 F)
1962	-7.2 C (19.0 F)
1963	-9.4 C (15.1 F)
1964	-11.7 C (10.9 F)
1965	-11.7 C (10.9 F)
1966	-11.1 C (12.0 F)
1967	-14.4 C (6.1 F)
1968	-11.7 C (10.9 F)
1977	-12.2 C (10.0 F)
1978	-20.0 C (-4.0 F)
1979	-9.4 C (15.1 F)
1980	-14.4 C (6.1 F)

Wettest day (Rx1day)

The wettest day of the year at Misawa, 1949 to 1980. The record is 111.0 mm (4.4 in) in 1958, marked on the chart; the median year is 65.0 mm (2.6 in).

Wettest day (Rx1day) at Misawa by year
Year	Wettest day (Rx1day)
1949	84.6 mm (3.3 in)
1950	43.7 mm (1.7 in)
1951	95.5 mm (3.8 in)
1952	109.5 mm (4.3 in)
1953	58.7 mm (2.3 in)
1954	59.7 mm (2.4 in)
1955	77.7 mm (3.1 in)
1956	53.3 mm (2.1 in)
1957	91.2 mm (3.6 in)
1958	111.0 mm (4.4 in)
1959	58.2 mm (2.3 in)
1960	66.5 mm (2.6 in)
1961	49.5 mm (1.9 in)
1962	53.1 mm (2.1 in)
1963	60.5 mm (2.4 in)
1964	54.6 mm (2.1 in)
1965	51.8 mm (2.0 in)
1966	110.7 mm (4.4 in)
1967	75.9 mm (3.0 in)
1968	21.1 mm (0.8 in)
1977	83.6 mm (3.3 in)
1978	63.5 mm (2.5 in)
1979	78.2 mm (3.1 in)
1980	110.0 mm (4.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Misawa, 1949 to 1980. The record is 191.2 mm (7.5 in) in 1958, marked on the chart; the median year is 115.4 mm (4.5 in).

Wettest five days (Rx5day) at Misawa by year
Year	Wettest five days (Rx5day)
1949	106.4 mm (4.2 in)
1950	127.8 mm (5.0 in)
1951	112.8 mm (4.4 in)
1952	151.5 mm (6.0 in)
1953	131.7 mm (5.2 in)
1954	115.0 mm (4.5 in)
1955	113.3 mm (4.5 in)
1956	102.6 mm (4.0 in)
1957	103.4 mm (4.1 in)
1958	191.2 mm (7.5 in)
1959	117.9 mm (4.6 in)
1960	115.8 mm (4.6 in)
1961	79.8 mm (3.1 in)
1962	90.8 mm (3.6 in)
1963	92.7 mm (3.6 in)
1964	126.2 mm (5.0 in)
1965	86.7 mm (3.4 in)
1966	170.0 mm (6.7 in)
1967	152.1 mm (6.0 in)
1968	26.2 mm (1.0 in)
1977	164.0 mm (6.5 in)
1978	85.6 mm (3.4 in)
1979	166.8 mm (6.6 in)
1980	165.1 mm (6.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Misawa, 1949 to 1980. The record is 21 days in 1951, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at Misawa by year
Year	Longest dry spell (CDD)
1949	18 days
1950	11 days
1951	21 days
1952	20 days
1953	14 days
1954	14 days
1955	16 days
1956	18 days
1957	14 days
1958	19 days
1959	11 days
1960	10 days
1961	20 days
1962	14 days
1963	13 days
1964	12 days
1965	17 days
1966	15 days
1967	19 days
1968	9 days
1977	13 days
1978	13 days
1979	12 days
1980	13 days

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

21 years with a frost

Across 21 years with a frost, the median last spring frost at Misawa falls on 13 April and the median first autumn frost on 12 November, which leaves a median of 212 days between them.

Frost dates and growing season at Misawa
Measure	Median, all years	Earliest period	Recent period (1949 to 1979)	Recent against earliest	Fitted trend
Last spring frost	13 April	n/a	13 April	n/a	n/a
First autumn frost	12 November	n/a	12 November	n/a	n/a
Growing days	212 days	n/a	212 days	n/a	n/a

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 Misawa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Misawa 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).