August
August · July · September
United States · 1991–2020
August leads for comfortable weather in Bird Island: typically 26.5°C by day, 14.1°C at night, with 86 mm of rain. Based on measured 1991–2020 NOAA station history.
August · July · September
July · August · June
September · May · October
The weakest month is January, scoring 5 against August’s 80 — days reach only -6°C, 30° 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 | -6°C | -16.5°C | 16 mm | 2.5 | 9 h 09 | 5 | Good coverage |
| February | -3°C | -13.8°C | 17 mm | 2.5 | 10 h 21 | 5 | Good coverage |
| March | 3.5°C | -6.9°C | 33 mm | 3.9 | 11 h 46 | 5 | Good coverage |
| April | 13.2°C | 0.6°C | 67 mm | 6.6 | 13 h 25 | 31 | Good coverage |
| May | 20.6°C | 7.5°C | 87 mm | 8.5 | 14 h 48 | 63 | Good coverage |
| June | 25.6°C | 13.6°C | 128 mm | 9.6 | 15 h 34 | 73 | Good coverage |
| July | 27.7°C | 15.4°C | 85 mm | 7.3 | 15 h 16 | 76 | Good coverage |
| August | 26.5°C | 14.1°C | 86 mm | 6.3 | 14 h 03 | 80 | Good coverage |
| September | 22.6°C | 8.8°C | 73 mm | 5.9 | 12 h 28 | 76 | Good coverage |
| October | 15.1°C | 2°C | 53 mm | 5.4 | 10 h 53 | 43 | Good coverage |
| November | 5.6°C | -5.2°C | 29 mm | 2.9 | 9 h 30 | 5 | Good coverage |
| December | -3.1°C | -12.8°C | 21 mm | 3.2 | 8 h 49 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 17.2°C24 Jan 1981 | -38.3°C9 Jan 1977 | 56 mm20 Jan 1982 | 72 mm1982 · driest 0 mm in 2006 | 38 |
| February | 16.7°C17 Feb 1981 | -36.1°C2 Feb 1996 | 41 mm29 Feb 2012 | 58 mm2012 · driest 0 mm in 1996 | 38 |
| March | 27.8°C27 Mar 2007 | -27.8°C2 Mar 2014 | 43 mm29 Mar 1981 | 89 mm2011 · driest 11 mm in 1994 | 38 |
| April | 35.0°C21 Apr 1980 | -13.9°C8 Apr 1997 | 83 mm23 Apr 2001 | 159 mm2001 · driest 8 mm in 1996 | 38 |
| May | 37.8°C19 May 1998 | -4.4°C3 May 2013 | 62 mm6 May 2012 | 184 mm2004 · driest 25 mm in 1981 | 37 |
| June | 40.6°C25 Jun 1988 | 3.3°C1 Jun 1993 | 115 mm17 Jun 1993 | 329 mm1993 · driest 6 mm in 1988 | 38 |
| July | 38.9°C16 Jul 1988 | 6.1°C25 Jul 2010 | 96 mm12 Jul 1991 | 226 mm1991 · driest 17 mm in 1988 | 38 |
| August | 42.2°C1 Aug 1988 | 2.2°C21 Aug 2004 | 69 mm7 Aug 2009 | 199 mm1979 · driest 17 mm in 2003 | 37 |
| September | 37.8°C7 Sep 1978 | -3.9°C23 Sep 1993 | 92 mm8 Sep 1991 | 206 mm2010 · driest 2 mm in 2012 | 39 |
| October | 32.8°C3 Oct 2001 | -11.1°C27 Oct 1976 | 50 mm4 Oct 2002 | 156 mm2009 · driest 1 mm in 1989 | 38 |
| November | 27.8°C9 Nov 2006 | -27.2°C26 Nov 1996 | 61 mm9 Nov 1977 | 108 mm1983 · driest 0 mm in 2007 | 37 |
| December | 17.8°C4 Dec 1998 | -34.4°C19 Dec 1983 | 28 mm10 Dec 2012 | 72 mm2010 · driest 1 mm in 1991 | 38 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 31 | <1 | 4 |
| February | 0 | 0 | 27 | <1 | 4 |
| March | <1 | 0 | 26 | 1 | 3 |
| April | 2 | <1 | 14 | 2 | 1 |
| May | 8 | 3 | 2 | 3 | 0 |
| June | 18 | 6 | 0 | 4 | 0 |
| July | 25 | 9 | 0 | 3 | 0 |
| August | 21 | 6 | 0 | 3 | 0 |
| September | 12 | 3 | 1 | 2 | 0 |
| October | 3 | <1 | 11 | 2 | <1 |
| November | <1 | 0 | 25 | 1 | 2 |
| December | 0 | 0 | 30 | <1 | 4 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 9% | 1% | 5% | -10.6–-0.6°C |
| February | 0% | 11% | 1% | 6% | -7.9–1.5°C |
| March | 2% | 17% | 4% | 13% | -0.5–6.9°C |
| April | 19% | 24% | 8% | 27% | 10.0–17.3°C |
| May | 45% | 27% | 9% | 32% | 18.6–24.5°C |
| June | 64% | 30% | 12% | 35% | 23.7–28.0°C |
| July | 76% | 23% | 9% | 21% | 26.2–30.9°C |
| August | 75% | 23% | 9% | 20% | 24.9–28.8°C |
| September | 56% | 22% | 8% | 23% | 20.1–24.7°C |
| October | 20% | 18% | 6% | 14% | 12.9–17.4°C |
| November | 3% | 12% | 3% | 7% | 0.7–9.0°C |
| December | 0% | 10% | 2% | 2% | -7.5–1.3°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