April
April · October · March
United States · 1991–2020
April leads for comfortable weather in Bozar: typically 25.2°C by day, 11.8°C at night, with 57 mm of rain. Based on measured 1991–2020 NOAA station history.
April · October · March
September · July · August
November · March · February
The weakest month is January, scoring 45 against April’s 86 — days reach only 15.1°C, 9° below the 24°C the score treats as ideal, and nights drop to 1.9°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 | 15.1°C | 1.9°C | 44 mm | 4 | 10 h 18 | 45 | Strong coverage |
| February | 17.1°C | 4.1°C | 55 mm | 4.5 | 11 h 01 | 53 | Strong coverage |
| March | 21.1°C | 8°C | 62 mm | 4.9 | 11 h 54 | 72 | Strong coverage |
| April | 25.2°C | 11.8°C | 57 mm | 4.3 | 12 h 54 | 86 | Strong coverage |
| May | 28.6°C | 16.8°C | 107 mm | 6.6 | 13 h 44 | 68 | Strong coverage |
| June | 31.9°C | 20.4°C | 101 mm | 5.3 | 14 h 11 | 53 | Good coverage |
| July | 34.1°C | 21.9°C | 46 mm | 3.6 | 14 h 01 | 52 | Strong coverage |
| August | 34.4°C | 22°C | 51 mm | 4.3 | 13 h 18 | 50 | Strong coverage |
| September | 31°C | 18.8°C | 64 mm | 4.3 | 12 h 19 | 65 | Strong coverage |
| October | 26°C | 13.3°C | 87 mm | 4.7 | 11 h 21 | 82 | Strong coverage |
| November | 20°C | 7.3°C | 52 mm | 4.1 | 10 h 30 | 69 | Strong coverage |
| December | 15.6°C | 2.9°C | 42 mm | 4.3 | 10 h 06 | 48 | 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 | 31.1°C8 Jan 1969 | -15.6°C11 Jan 1982 | 112 mm29 Jan 2010 | 193 mm1968 · driest 0 mm in 1971 | 64 |
| February | 36.7°C22 Feb 1996 | -17.8°C2 Feb 1985 | 88 mm20 Feb 1997 | 172 mm1997 · driest 1 mm in 1999 | 63 |
| March | 36.7°C31 Mar 1974 | -13.3°C2 Mar 1980 | 82 mm16 Mar 1998 | 166 mm2007 · driest 0 mm in 1972 | 63 |
| April | 37.2°C27 Apr 2012 | -2.2°C9 Apr 1973 | 80 mm26 Apr 1990 | 206 mm1977 · driest 4 mm in 2018 | 62 |
| May | 40.0°C8 May 2022 | 0.0°C3 May 2013 | 211 mm5 May 2024 | 434 mm2024 · driest 8 mm in 1977 | 61 |
| June | 42.2°C21 Jun 2023 | 10.0°C1 Jun 1964 | 168 mm6 Jun 1985 | 335 mm1997 · driest 2 mm in 1967 | 57 |
| July | 42.8°C24 Jul 2018 | 13.9°C14 Jul 1990 | 102 mm7 Jul 2026 | 212 mm2026 · driest 0 mm in 1970 | 62 |
| August | 43.3°C6 Aug 1964 | 11.7°C23 Aug 1961 | 90 mm9 Aug 2005 | 217 mm2004 · driest 0 mm in 1973 | 62 |
| September | 42.2°C5 Sep 2000 | 4.4°C28 Sep 1967 | 115 mm1 Sep 1992 | 183 mm1970 · driest 0 mm in 1982 | 61 |
| October | 37.2°C14 Oct 2024 | -4.4°C31 Oct 2019 | 183 mm5 Oct 1969 | 356 mm2018 · driest 1 mm in 2016 | 61 |
| November | 32.8°C3 Nov 2017 | -11.1°C29 Nov 1976 | 87 mm3 Nov 2000 | 193 mm2000 · driest 0 mm in 1970 | 62 |
| December | 30.0°C11 Dec 2021 | -21.7°C23 Dec 1989 | 118 mm20 Dec 1991 | 214 mm1991 · driest 0 mm in 2021 | 62 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 2 | <1 | 12 | 1 |
| February | 3 | <1 | 8 | 2 |
| March | 8 | <1 | 3 | 2 |
| April | 18 | 5 | <1 | 2 |
| May | 26 | 12 | 0 | 3 |
| June | 30 | 24 | 0 | 3 |
| July | 31 | 30 | 0 | 1 |
| August | 31 | 29 | 0 | 1 |
| September | 28 | 20 | 0 | 2 |
| October | 21 | 7 | <1 | 2 |
| November | 6 | <1 | 3 | 2 |
| December | 2 | 0 | 10 | 1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 25% | 13% | 4% | 11% | 11.2–18.3°C |
| February | 38% | 15% | 6% | 11% | 14.0–20.8°C |
| March | 60% | 14% | 5% | 8% | 18.1–23.9°C |
| April | 77% | 16% | 7% | 14% | 23.6–27.8°C |
| May | 78% | 21% | 11% | 20% | 26.5–31.1°C |
| June | 83% | 16% | 8% | 12% | 30.2–34.2°C |
| July | 89% | 11% | 4% | 9% | 32.2–37.2°C |
| August | 88% | 13% | 5% | 9% | 32.1–36.9°C |
| September | 84% | 15% | 7% | 12% | 29.1–33.5°C |
| October | 79% | 15% | 7% | 13% | 24.4–28.1°C |
| November | 54% | 14% | 6% | 10% | 17.4–22.8°C |
| December | 29% | 13% | 4% | 9% | 12.7–18.3°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