May
May · September · June
United States · 1991–2020
May leads for comfortable weather in Allens Mill: typically 24.9°C by day, 11.5°C at night, with 107 mm of rain. Based on measured 1991–2020 NOAA station history.
May · September · June
June · August · July
October · April · May
The weakest month is January, scoring 5 against May’s 75 — days reach only 8.8°C, 15° below the 24°C the score treats as ideal, and nights drop to -3.6°C.
Month by month
The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 8.8°C | -3.6°C | 89 mm | 7.6 | 9 h 51 | 5 | Strong coverage |
| February | 10.9°C | -2.7°C | 76 mm | 6.5 | 10 h 45 | 16 | Strong coverage |
| March | 15.3°C | 0.8°C | 102 mm | 8.3 | 11 h 51 | 31 | Strong coverage |
| April | 21.2°C | 5.9°C | 86 mm | 8.1 | 13 h 06 | 63 | Strong coverage |
| May | 24.9°C | 11.5°C | 107 mm | 9.5 | 14 h 09 | 75 | Strong coverage |
| June | 29.1°C | 16.5°C | 89 mm | 7.8 | 14 h 43 | 68 | Strong coverage |
| July | 31.4°C | 19.1°C | 102 mm | 8.7 | 14 h 29 | 54 | Strong coverage |
| August | 30.3°C | 18.3°C | 93 mm | 7.5 | 13 h 35 | 61 | Strong coverage |
| September | 27°C | 14.5°C | 116 mm | 6.9 | 12 h 23 | 74 | Strong coverage |
| October | 21.6°C | 7.4°C | 92 mm | 6.5 | 11 h 10 | 67 | Strong coverage |
| November | 15.8°C | 1.4°C | 88 mm | 6.5 | 10 h 07 | 38 | Strong coverage |
| December | 10.6°C | -1.7°C | 95 mm | 7.3 | 9 h 36 | 14 | Strong coverage |
What has changed
Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 27.2°C31 Jan 2002 | -26.7°C28 Jan 1940 | 71 mm19 Jan 1936 | 264 mm1937 · driest 17 mm in 1898 | 99 |
| February | 29.4°C25 Feb 2012 | -22.8°C5 Feb 1996 | 140 mm20 Feb 2012 | 171 mm1979 · driest 3 mm in 1898 | 101 |
| March | 32.2°C17 Mar 1945 | -17.8°C6 Mar 1960 | 69 mm17 Mar 1936 | 247 mm1899 · driest 10 mm in 2006 | 100 |
| April | 35.6°C18 Apr 2002 | -8.9°C10 Apr 1985 | 92 mm25 Apr 1937 | 197 mm1937 · driest 5 mm in 1985 | 99 |
| May | 36.7°C22 May 1941 | -3.9°C2 May 1963 | 119 mm16 May 2014 | 253 mm1901 · driest 11 mm in 1936 | 101 |
| June | 41.1°C30 Jun 2012 | 1.7°C6 Jun 1945 | 168 mm22 Jun 1972 | 293 mm1938 · driest 13 mm in 1986 | 101 |
| July | 41.1°C9 Jul 2012 | 7.2°C27 Jul 1962 | 106 mm12 Jul 2013 | 220 mm2013 · driest 21 mm in 1932 | 101 |
| August | 41.1°C31 Aug 1932 | 5.0°C31 Aug 1946 | 126 mm14 Aug 1940 | 313 mm1940 · driest 8 mm in 1897 | 100 |
| September | 41.1°C1 Sep 1932 | -1.1°C28 Sep 1947 | 127 mm19 Sep 2003 | 273 mm2003 · driest 0 mm in 1897 | 102 |
| October | 37.8°C6 Oct 1941 | -11.1°C27 Oct 1962 | 143 mm12 Oct 2018 | 309 mm1971 · driest 0 mm in 2000 | 100 |
| November | 31.1°C1 Nov 1950 | -12.8°C25 Nov 1970 | 156 mm28 Nov 1993 | 244 mm2009 · driest 4 mm in 1931 | 100 |
| December | 27.8°C8 Dec 1998 | -21.1°C21 Dec 1942 | 87 mm29 Dec 1958 | 203 mm1973 · driest 7 mm in 1937 | 101 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | <1 | 0 | 23 | 3 | 1 |
| February | <1 | 0 | 21 | 3 | 1 |
| March | 3 | <1 | 15 | 4 | <1 |
| April | 9 | 2 | 4 | 3 | 0 |
| May | 17 | 5 | <1 | 4 | 0 |
| June | 26 | 15 | 0 | 3 | 0 |
| July | 29 | 23 | 0 | 3 | 0 |
| August | 29 | 18 | 0 | 3 | 0 |
| September | 21 | 8 | 0 | 3 | 0 |
| October | 9 | 1 | 3 | 3 | 0 |
| November | 2 | 0 | 14 | 3 | 0 |
| December | <1 | 0 | 21 | 3 | <1 |
The best month has moved. On the 1961–1990 numbers the strongest month here was September (scoring 80); on 2011–2025 it is May (80). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 4% | 25% | 11% | 25% | 6.2–12.5°C |
| February | 7% | 26% | 11% | 28% | 7.4–13.7°C |
| March | 21% | 28% | 12% | 30% | 12.3–18.7°C |
| April | 50% | 26% | 10% | 27% | 19.3–24.0°C |
| May | 66% | 29% | 12% | 35% | 23.8–27.8°C |
| June | 74% | 26% | 11% | 26% | 28.0–31.5°C |
| July | 72% | 29% | 11% | 33% | 30.0–33.8°C |
| August | 74% | 26% | 11% | 24% | 28.6–32.6°C |
| September | 77% | 22% | 10% | 23% | 25.5–29.9°C |
| October | 58% | 20% | 9% | 18% | 19.8–23.9°C |
| November | 24% | 22% | 9% | 19% | 13.3–18.6°C |
| December | 6% | 23% | 9% | 23% | 7.8–13.9°C |
A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.
The evidence behind this page