August
August · September · June
United States · 1991–2020
August leads for comfortable weather in Howland Center: typically 27.1°C by day, 14.9°C at night, with 88 mm of rain. Based on measured 1991–2020 NOAA station history.
August · September · June
July · August · June
May · September · October
The weakest month is January, scoring 5 against August’s 77 — days reach only 1.1°C, 23° below the 24°C the score treats as ideal.
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 | 1.1°C | -7°C | 77 mm | 13.4 | 9 h 30 | 5 | Strong coverage |
| February | 2.8°C | -6.3°C | 64 mm | 11.2 | 10 h 33 | 5 | Strong coverage |
| March | 8°C | -2.3°C | 81 mm | 11.5 | 11 h 48 | 5 | Strong coverage |
| April | 15.5°C | 3.3°C | 95 mm | 11.7 | 13 h 15 | 35 | Strong coverage |
| May | 21.4°C | 8.7°C | 94 mm | 10.9 | 14 h 28 | 65 | Strong coverage |
| June | 25.8°C | 13.4°C | 99 mm | 10.2 | 15 h 08 | 76 | Strong coverage |
| July | 28°C | 15.7°C | 108 mm | 9.3 | 14 h 52 | 70 | Strong coverage |
| August | 27.1°C | 14.9°C | 88 mm | 8.2 | 13 h 49 | 77 | Strong coverage |
| September | 23.3°C | 11.2°C | 98 mm | 8 | 12 h 25 | 77 | Strong coverage |
| October | 16.5°C | 5.7°C | 85 mm | 9.8 | 11 h 02 | 45 | Strong coverage |
| November | 9.6°C | 0.8°C | 75 mm | 10 | 9 h 49 | 15 | Strong coverage |
| December | 3.6°C | -3.6°C | 81 mm | 12.4 | 9 h 13 | 5 | 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 | 21.7°C25 Jan 1950 | -30.0°C19 Jan 1994 | 67 mm21 Jan 1959 | 198 mm1937 · driest 19 mm in 1985 | 91 |
| February | 23.9°C24 Feb 2017 | -26.6°C20 Feb 2015 | 48 mm13 Feb 1950 | 148 mm2008 · driest 14 mm in 1987 | 91 |
| March | 27.8°C23 Mar 1938 | -23.3°C2 Mar 1980 | 50 mm9 Mar 1964 | 162 mm2008 · driest 27 mm in 1990 | 91 |
| April | 32.2°C27 Apr 1942 | -11.7°C14 Apr 1950 | 50 mm26 Apr 1937 | 185 mm1998 · driest 25 mm in 1941 | 91 |
| May | 35.0°C23 May 1941 | -4.4°C10 May 1966 | 64 mm27 May 1946 | 251 mm1946 · driest 20 mm in 1977 | 91 |
| June | 37.2°C25 Jun 1988 | -1.1°C11 Jun 1972 | 91 mm11 Jun 1986 | 271 mm1986 · driest 18 mm in 1988 | 91 |
| July | 39.4°C10 Jul 1936 | 4.4°C2 Jul 2001 | 118 mm21 Jul 2003 | 264 mm2003 · driest 17 mm in 1997 | 91 |
| August | 36.1°C30 Aug 1953 | 0.0°C29 Aug 1982 | 88 mm13 Aug 1994 | 240 mm2021 · driest 13 mm in 1969 | 91 |
| September | 37.2°C5 Sep 1954 | -2.8°C29 Sep 1942 | 104 mm8 Sep 2004 | 201 mm2018 · driest 7 mm in 1960 | 91 |
| October | 31.1°C1 Oct 2019 | -6.7°C31 Oct 1988 | 110 mm15 Oct 1954 | 218 mm1954 · driest 11 mm in 1953 | 90 |
| November | 26.7°C3 Nov 1961 | -17.2°C30 Nov 1958 | 69 mm4 Nov 1985 | 232 mm1985 · driest 18 mm in 1939 | 91 |
| December | 24.4°C3 Dec 1982 | -24.4°C22 Dec 1989 | 94 mm31 Dec 1944 | 188 mm1944 · driest 23 mm in 1958 | 91 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 27 | 2 | 16 |
| February | 0 | 0 | 24 | 2 | 12 |
| March | <1 | 0 | 22 | 3 | 8 |
| April | 3 | <1 | 9 | 3 | 3 |
| May | 10 | 2 | 1 | 3 | <1 |
| June | 19 | 6 | 0 | 4 | 0 |
| July | 26 | 9 | 0 | 4 | 0 |
| August | 24 | 7 | 0 | 3 | 0 |
| September | 12 | 2 | <1 | 3 | 0 |
| October | 3 | <1 | 4 | 3 | <1 |
| November | <1 | 0 | 15 | 2 | 4 |
| December | 0 | 0 | 25 | 2 | 11 |
The best month has moved. On the 1961–1990 numbers the strongest month here was August (scoring 84); on 2011–2025 it is September (86). 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 | 0% | 37% | 7% | 51% | -3.2–4.5°C |
| February | <1% | 36% | 6% | 50% | -1.2–5.8°C |
| March | 5% | 37% | 8% | 54% | 4.4–11.7°C |
| April | 18% | 38% | 10% | 49% | 12.5–17.8°C |
| May | 41% | 34% | 11% | 47% | 18.2–23.9°C |
| June | 62% | 33% | 11% | 40% | 23.8–27.2°C |
| July | 71% | 29% | 12% | 31% | 26.2–30.0°C |
| August | 73% | 26% | 9% | 28% | 25.4–28.9°C |
| September | 59% | 26% | 10% | 30% | 21.2–25.5°C |
| October | 25% | 30% | 8% | 36% | 14.6–19.3°C |
| November | 4% | 35% | 8% | 48% | 6.6–12.1°C |
| December | <1% | 38% | 7% | 53% | -0.9–6.3°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