Built 2026-10-19 (19 October 2026)

Weather Records on 1 May 1939

227 weather records were set or tied worldwide on 1 May 1939. Highest significance: Rotenburg (Wumme), DE.

Key Facts for 1 May 1939

  • On 1 May 1939, 227 weather records were set or tied at long-record stations worldwide.
  • 99 were record highs and 70 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 10 monthly and 217 daily.
  • Rotenburg (Wumme) set a daily record precipitation of 26.6 mm (1.0 in) on 1 May 1939.
  • Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

227 stations
Weather records on 1 May 1939 227 station records on 1 May 1939 are marked on the map, coloured by record type.
227 station records on 1 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 1 May 1939: highest significance records shown on the map
StationCountryTypeValueSignificance
Rotenburg (Wumme)GermanyRecord daily precipitation26.6 mm (1.0 in)32 of 100 (Routine)
MenardUnited StatesRecord daily precipitation55.4 mm (2.2 in)32 of 100 (Routine)
Bloomfield 3 SEUnited StatesRecord high minimum temperature15.0 C (59.0 F)28 of 100 (Routine)
PerpignanFranceRecord daily precipitation28.5 mm (1.1 in)27 of 100 (Routine)
Indian Head CdaCanadaRecord high maximum temperature31.1 C (88.0 F)25 of 100 (Routine)
Qu'appelleCanadaRecord high maximum temperature29.4 C (84.9 F)25 of 100 (Routine)
Haliburton ACanadaRecord low minimum temperature-9.4 C (15.1 F)25 of 100 (Routine)
Tortosa - Observatorio del EbrSpainRecord low maximum temperature10.5 C (50.9 F)25 of 100 (Routine)
StorlienSwedenRecord low minimum temperature-14.0 C (6.8 F)25 of 100 (Routine)
Lake KachessUnited StatesRecord low minimum temperature-6.1 C (21.0 F)25 of 100 (Routine)
Burrawang (Range Street)AustraliaRecord daily precipitation27.2 mm (1.1 in)24 of 100 (Routine)
MinnedosaCanadaRecord high maximum temperature28.9 C (84.0 F)24 of 100 (Routine)
Brandon CdaCanadaRecord high maximum temperature30.6 C (87.1 F)23 of 100 (Routine)
St AlbansCanadaRecord high maximum temperature31.1 C (88.0 F)23 of 100 (Routine)
Tarboro 1 SUnited StatesRecord low maximum temperature10.6 C (51.1 F)23 of 100 (Routine)
Manati 2 EPuerto Rico [United States]Record high maximum temperature35.6 C (96.1 F)21 of 100 (Routine)
RichfieldUnited StatesRecord high minimum temperature18.9 C (66.0 F)21 of 100 (Routine)
WarenGermanyRecord daily precipitation20.6 mm (0.8 in)20 of 100 (Routine)
TomskRussiaRecord daily precipitation15.8 mm (0.6 in)20 of 100 (Routine)
MarnitzGermanyRecord daily precipitation21.2 mm (0.8 in)20 of 100 (Routine)
PutbusGermanyRecord daily precipitation14.2 mm (0.6 in)20 of 100 (Routine)
GreifswaldGermanyRecord daily precipitation14.0 mm (0.6 in)20 of 100 (Routine)
Young Post OfficeAustraliaRecord daily precipitation8.6 mm (0.34 in)20 of 100 (Routine)
AltentreptowGermanyRecord daily precipitation18.7 mm (0.7 in)20 of 100 (Routine)
TeterowGermanyRecord daily precipitation12.5 mm (0.5 in)20 of 100 (Routine)
PowellUnited StatesRecord daily precipitation15.2 mm (0.6 in)20 of 100 (Routine)
MagdeburgGermanyRecord daily precipitation11.5 mm (0.5 in)20 of 100 (Routine)
SoltauGermanyRecord daily precipitation20.2 mm (0.8 in)20 of 100 (Routine)
VenukondaIndiaRecord daily precipitation9.1 mm (0.36 in)20 of 100 (Routine)
AradRomaniaRecord daily precipitation8.5 mm (0.33 in)20 of 100 (Routine)
Low Head (Comparison)AustraliaRecord high maximum temperature19.0 C (66.2 F)20 of 100 (Routine)
GrenfellCanadaRecord high maximum temperature30.0 C (86.0 F)20 of 100 (Routine)
Tortosa - Observatorio del EbrSpainRecord low minimum temperature5.0 C (41.0 F)20 of 100 (Routine)
BottineauUnited StatesRecord high minimum temperature12.8 C (55.0 F)20 of 100 (Routine)
WangeroogeGermanyRecord daily precipitation12.0 mm (0.5 in)19 of 100 (Routine)
Bens Run 1 SSEUnited StatesRecord low minimum temperature-0.6 C (30.9 F)19 of 100 (Routine)
Chatsbury (Maryland)AustraliaRecord daily precipitation7.1 mm (0.28 in)18 of 100 (Routine)
SussexCanadaRecord daily snowfall1.0 cm (0.4 in)18 of 100 (Routine)
KirenskRussiaRecord high minimum temperature5.4 C (41.7 F)18 of 100 (Routine)
Girona (Antic Institut)SpainRecord low maximum temperature12.0 C (53.6 F)18 of 100 (Routine)
Jamestown State HospUnited StatesRecord high maximum temperature29.4 C (84.9 F)18 of 100 (Routine)
Minot Exp STNUnited StatesRecord high maximum temperature31.1 C (88.0 F)18 of 100 (Routine)
PembinaUnited StatesRecord high maximum temperature28.3 C (82.9 F)18 of 100 (Routine)
Gooloogong Post OfficeAustraliaRecord daily precipitation4.6 mm (0.18 in)17 of 100 (Routine)
Yass (Linton Hostel)AustraliaRecord daily precipitation7.4 mm (0.29 in)17 of 100 (Routine)
Binalong Post OfficeAustraliaRecord daily precipitation12.7 mm (0.5 in)17 of 100 (Routine)
PerpignanFranceRecord low maximum temperature11.6 C (52.9 F)17 of 100 (Routine)
AnklamGermanyRecord daily precipitation15.0 mm (0.6 in)17 of 100 (Routine)
PennagaramIndiaRecord daily precipitation18.0 mm (0.7 in)17 of 100 (Routine)
Crow AgencyUnited StatesRecord high minimum temperature10.0 C (50.0 F)17 of 100 (Routine)
Nimmitabel Wastewater TreatmenAustraliaRecord daily precipitation8.1 mm (0.32 in)16 of 100 (Routine)
Berens RiverCanadaRecord high maximum temperature27.2 C (81.0 F)16 of 100 (Routine)
GunturIndiaRecord daily precipitation10.7 mm (0.4 in)16 of 100 (Routine)
JeyporeIndiaRecord daily precipitation18.5 mm (0.7 in)16 of 100 (Routine)
SulitjelmaNorwayRecord daily precipitation11.9 mm (0.5 in)16 of 100 (Routine)
Gunnison 3SWUnited StatesRecord high maximum temperature24.4 C (75.9 F)16 of 100 (Routine)
Poplar 2 EUnited StatesRecord high maximum temperature32.2 C (90.0 F)16 of 100 (Routine)
RatonUnited StatesRecord high minimum temperature8.3 C (46.9 F)16 of 100 (Routine)
TropicUnited StatesRecord high maximum temperature25.0 C (77.0 F)16 of 100 (Routine)
Grover 2 SUnited StatesRecord high maximum temperature25.6 C (78.1 F)16 of 100 (Routine)

Counts by Type and Timescale

227 records
Records on 1 May 1939 by type Records set or tied on 1 May 1939 by type: Highest daily maximum 70, Lowest daily maximum 10, Highest daily minimum 29, Lowest daily minimum 60, Heaviest daily rainfall 57, Heaviest daily snowfall 1. 020406080Highest daily maximum: 70Lowest daily maximum: 10Highest daily minimum: 29Lowest daily minimum: 60Heaviest daily rainfall: 57Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 1 May 1939 by type: Highest daily maximum 70, Lowest daily maximum 10, Highest daily minimum 29, Lowest daily minimum 60, Heaviest daily rainfall 57, Heaviest daily snowfall 1.
Records on 1 May 1939 by type
Record typeRecords
Highest daily maximum70
Lowest daily maximum10
Highest daily minimum29
Lowest daily minimum60
Heaviest daily rainfall57
Heaviest daily snowfall1
Deepest snow cover0
Records on 1 May 1939 by timescale Records on 1 May 1939 by timescale: all-time 0, monthly 10, daily 217. 0100200300all-time: 0monthly: 10daily: 217all-timemonthlydaily
Records on 1 May 1939 by timescale: all-time 0, monthly 10, daily 217.
Records on 1 May 1939 by timescale
TimescaleRecords
all-time0
monthly10
daily217

How Much Records Were Beaten By

158 broken records
Histogram of margins by which records were beaten on 1 May 1939 Margins by which the 158 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.9. Ties are not counted. 0501001500 to 5: 1255 to 10: 2210 to 15: 615 to 20: 320 to 25: 20 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 158 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.9. Ties are not counted.
Histogram of margins by which records were beaten on 1 May 1939
MarginRecords
0 to 5125
5 to 1022
10 to 156
15 to 203
20 to 252

Top 20 by Significance

1 May 1939
Top 20 records on 1 May 1939 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
1 May 1939Rotenburg (Wumme), DEdaily rain26.6 mm (1.0 in)12.1 mm (0.5 in)16 years32 of 100 (Routine)
1 May 1939Menard, USdaily rain55.4 mm (2.2 in)24.9 mm (1.0 in)38 years32 of 100 (Routine)
1 May 1939Bloomfield 3 SE, USdaily high min15.0 C (59.0 F)5.6 C (10.1 F)33 years28 of 100 (Routine)
1 May 1939Perpignan, FRdaily rain28.5 mm (1.1 in)16.8 mm (0.7 in)6 years27 of 100 (Routine)
1 May 1939Indian Head Cda, CAdaily high max31.1 C (88.0 F)6.1 C (11.0 F)37 years25 of 100 (Routine)
1 May 1939Qu'appelle, CAdaily high max29.4 C (84.9 F)5.0 C (9.0 F)41 years25 of 100 (Routine)
1 May 1939Haliburton A, CAmonthly low min-9.4 C (15.1 F)1.6 C (2.9 F)25 years25 of 100 (Routine)
1 May 1939Tortosa - Observatorio del Ebr, ESmonthly low max10.5 C (50.9 F)3.4 C (6.1 F)9 years25 of 100 (Routine)
1 May 1939Storlien, SEdaily low min-14.0 C (6.8 F)2.0 C (3.6 F)52 years25 of 100 (Routine)
1 May 1939Lake Kachess, USmonthly low min-6.1 C (21.0 F)1.1 C (2.0 F)30 years25 of 100 (Routine)
1 May 1939Burrawang (Range Street), AUdaily rain27.2 mm (1.1 in)23.6 mm (0.9 in)37 years24 of 100 (Routine)
1 May 1939Minnedosa, CAdaily high max28.9 C (84.0 F)4.5 C (8.1 F)37 years24 of 100 (Routine)
1 May 1939Brandon Cda, CAdaily high max30.6 C (87.1 F)5.6 C (10.1 F)34 years23 of 100 (Routine)
1 May 1939St Albans, CAdaily high max31.1 C (88.0 F)5.0 C (9.0 F)37 years23 of 100 (Routine)
1 May 1939Tarboro 1 S, USmonthly low max10.6 C (51.1 F)1.1 C (2.0 F)21 years23 of 100 (Routine)
1 May 1939Manati 2 E, PRdaily high max35.6 C (96.1 F)1.2 C (2.2 F)37 years21 of 100 (Routine)
1 May 1939Richfield, USdaily high min18.9 C (66.0 F)4.5 C (8.1 F)25 years21 of 100 (Routine)
1 May 1939Waren, DEdaily rain20.6 mm (0.8 in)13.7 mm (0.5 in)34 years20 of 100 (Routine)
1 May 1939Tomsk, RUdaily rain15.8 mm (0.6 in)8.6 mm (0.34 in)32 years20 of 100 (Routine)
1 May 1939Marnitz, DEdaily rain21.2 mm (0.8 in)12.7 mm (0.5 in)36 years20 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1795 to 1939
Records on 05-01 in each year Records set or tied on this calendar date in each year from 1795 to 1939. 1939 had 227 records. 05001,0001,5002,0001795: 11802: 11804: 11814: 11818: 11835: 11836: 11840: 11846: 21847: 11850: 11851: 11857: 11860: 11861: 11864: 21865: 11868: 21872: 11875: 41878: 21879: 21880: 31881: 21884: 11885: 11886: 21887: 21888: 21889: 31890: 21891: 51892: 61893: 21894: 51896: 11897: 41898: 11899: 81900: 11901: 51902: 71903: 91904: 91905: 131906: 121907: 311908: 201909: 491910: 131911: 221912: 181913: 541914: 231915: 271916: 271917: 371918: 341919: 1501920: 1861921: 411922: 921923: 641924: 631925: 1181926: 5001927: 1251928: 1901929: 1421930: 2631931: 5371932: 2201933: 7061934: 3051935: 2761936: 3681937: 2181938: 3041939: 2271940: 7311941: 3331942: 1,0361943: 5261944: 2291945: 3501946: 4151947: 6551948: 7741949: 4051950: 4391951: 8941952: 5571953: 9171954: 1,5061955: 7721956: 1,1061957: 3591958: 4481959: 7641960: 7371961: 5881962: 6151963: 7041964: 3121965: 3601966: 7071967: 9481968: 4261969: 4291970: 1,0751971: 4441972: 5621973: 8411974: 5891975: 2861976: 6731977: 5451978: 1,2021979: 6121980: 5071981: 1,2651982: 5081983: 1,4231984: 6401985: 7891986: 5121987: 1,0981988: 1,0581989: 9491990: 9221991: 6331992: 1,2011993: 1,1011994: 1,2101995: 1,3651996: 1,4391997: 8041998: 9511999: 9322000: 8092001: 1,1062002: 1,2212003: 9642004: 8872005: 1,3202006: 7342007: 8572008: 9792009: 6792010: 1,1512011: 7162012: 7962013: 9762014: 9412015: 5502016: 8442017: 1,1632018: 5192019: 7882020: 1,0992021: 8342022: 3192023: 9122024: 4582025: 4302026: 6231795186818941912192919461963198019972014
Records set or tied on this calendar date in each year from 1795 to 1939. 1939 had 227 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-01 in each year
YearRecords
17951
18021
18041
18141
18181
18351
18361
18401
18462
18471
18501
18511
18571
18601
18611
18642
18651
18682
18721
18754
18782
18792
18803
18812
18841
18851
18862
18872
18882
18893
18902
18915
18926
18932
18945
18961
18974
18981
18998
19001
19015
19027
19039
19049
190513
190612
190731
190820
190949
191013
191122
191218
191354
191423
191527
191627
191737
191834
1919150
1920186
192141
192292
192364
192463
1925118
1926500
1927125
1928190
1929142
1930263
1931537
1932220
1933706
1934305
1935276
1936368
1937218
1938304
1939227
1940731
1941333
19421,036
1943526
1944229
1945350
1946415
1947655
1948774
1949405
1950439
1951894
1952557
1953917
19541,506
1955772
19561,106
1957359
1958448
1959764
1960737
1961588
1962615
1963704
1964312
1965360
1966707
1967948
1968426
1969429
19701,075
1971444
1972562
1973841
1974589
1975286
1976673
1977545
19781,202
1979612
1980507
19811,265
1982508
19831,423
1984640
1985789
1986512
19871,098
19881,058
1989949
1990922
1991633
19921,201
19931,101
19941,210
19951,365
19961,439
1997804
1998951
1999932
2000809
20011,106
20021,221
2003964
2004887
20051,320
2006734
2007857
2008979
2009679
20101,151
2011716
2012796
2013976
2014941
2015550
2016844
20171,163
2018519
2019788
20201,099
2021834
2022319
2023912
2024458
2025430
2026623

Download the Data

  • Data for records on 1939-05-01: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).