August
August · July · September
United States · 1991–2020
August leads for comfortable weather in Wilderness Rim: typically 22°C by day, 10.9°C at night, with 61 mm of rain. Based on measured 1991–2020 NOAA station history.
August · July · September
August · July · September
July · August · September
The weakest month is January, scoring 5 against August’s 80 — days reach only 4.6°C, 19° below the 24°C the score treats as ideal, and 322 mm of rain falls.
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 | 4.6°C | -0.2°C | 322 mm | 18.1 | 8 h 51 | 5 | Strong coverage |
| February | 6°C | -0.2°C | 233 mm | 15.3 | 10 h 10 | 5 | Strong coverage |
| March | 8.1°C | 0.6°C | 270 mm | 18.4 | 11 h 44 | 5 | Strong coverage |
| April | 11.1°C | 2.3°C | 234 mm | 17.4 | 13 h 33 | 5 | Strong coverage |
| May | 15.4°C | 5.5°C | 165 mm | 14 | 15 h 05 | 26 | Strong coverage |
| June | 17.7°C | 7.9°C | 142 mm | 12.5 | 15 h 56 | 43 | Strong coverage |
| July | 21.7°C | 10.4°C | 55 mm | 6.6 | 15 h 36 | 78 | Strong coverage |
| August | 22°C | 10.9°C | 61 mm | 5.7 | 14 h 15 | 80 | Strong coverage |
| September | 18.3°C | 8.5°C | 122 mm | 9.7 | 12 h 30 | 51 | Strong coverage |
| October | 12.5°C | 5.1°C | 249 mm | 15.3 | 10 h 46 | 5 | Strong coverage |
| November | 7.1°C | 1.9°C | 369 mm | 19.5 | 9 h 14 | 5 | Strong coverage |
| December | 4.1°C | -0.4°C | 309 mm | 18.7 | 8 h 28 | 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 | 18.3°C1 Jan 1918 | -20.0°C15 Jan 1950 | 135 mm18 Jan 2005 | 847 mm1953 · driest 34 mm in 1985 | 116 |
| February | 20.0°C28 Feb 1915 | -17.8°C15 Feb 1956 | 119 mm9 Feb 1951 | 563 mm1961 · driest 12 mm in 1993 | 116 |
| March | 25.0°C17 Mar 1914 | -13.3°C4 Mar 1955 | 116 mm1 Mar 2022 | 625 mm1916 · driest 56 mm in 1992 | 115 |
| April | 31.1°C23 Apr 1910 | -6.7°C21 Apr 1982 | 99 mm5 Apr 1991 | 425 mm2018 · driest 62 mm in 1951 | 115 |
| May | 35.6°C29 May 1983 | -5.0°C9 May 2003 | 100 mm23 May 1944 | 339 mm2022 · driest 31 mm in 1958 | 114 |
| June | 38.3°C29 Jun 2021 | 0.0°C3 Jun 1976 | 89 mm23 Jun 1993 | 307 mm1942 · driest 10 mm in 1922 | 116 |
| July | 36.7°C24 Jul 1911 | 0.0°C4 Jul 1930 | 83 mm13 Jul 1972 | 279 mm1983 · driest 0 mm in 1930 | 114 |
| August | 36.7°C18 Aug 1977 | 1.7°C29 Aug 1951 | 81 mm16 Aug 1950 | 237 mm2004 · driest 0 mm in 2012 | 114 |
| September | 38.3°C3 Sep 1988 | -1.7°C27 Sep 1972 | 91 mm20 Sep 1945 | 425 mm1959 · driest 7 mm in 1975 | 116 |
| October | 31.7°C2 Oct 1987 | -6.7°C31 Oct 1935 | 150 mm21 Oct 2003 | 523 mm1947 · driest 10 mm in 1987 | 113 |
| November | 24.4°C21 Nov 1917 | -16.7°C15 Nov 1955 | 186 mm7 Nov 2006 | 761 mm2006 · driest 55 mm in 1936 | 116 |
| December | 18.9°C18 Dec 1917 | -19.4°C30 Dec 1968 | 132 mm13 Dec 1917 | 1196 mm1917 · driest 19 mm in 1985 | 116 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 17 | 11 | 5 |
| February | 0 | 0 | 16 | 8 | 4 |
| March | 0 | 0 | 15 | 10 | 4 |
| April | <1 | 0 | 7 | 9 | 2 |
| May | 2 | <1 | <1 | 6 | <1 |
| June | 3 | <1 | 0 | 5 | 0 |
| July | 9 | 2 | 0 | 2 | 0 |
| August | 9 | 1 | 0 | 2 | 0 |
| September | 3 | <1 | 0 | 4 | 0 |
| October | <1 | 0 | 2 | 8 | 0 |
| November | 0 | 0 | 9 | 12 | 2 |
| December | 0 | 0 | 18 | 10 | 5 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 60% | 36% | 77% | 2.0–7.1°C |
| February | 0% | 58% | 32% | 77% | 3.6–9.1°C |
| March | 2% | 60% | 32% | 78% | 6.4–11.3°C |
| April | 9% | 54% | 26% | 71% | 9.3–14.9°C |
| May | 23% | 45% | 20% | 61% | 13.3–18.9°C |
| June | 35% | 38% | 16% | 49% | 16.0–21.4°C |
| July | 62% | 19% | 6% | 19% | 19.7–25.0°C |
| August | 62% | 21% | 7% | 26% | 19.8–25.2°C |
| September | 38% | 33% | 15% | 42% | 16.6–21.7°C |
| October | 12% | 48% | 26% | 67% | 11.5–17.0°C |
| November | <1% | 63% | 39% | 81% | 5.8–10.4°C |
| December | 0% | 64% | 37% | 81% | 2.6–7.0°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