September
September · June · July
France · 1991–2020
September leads for comfortable weather in Allassac: typically 23.7°C by day, 11.4°C at night, with 74 mm of rain. Based on measured 1991–2020 NOAA station history.
September · June · July
July · August · June
October · May · September
The weakest month is January, scoring 16 against September’s 82 — days reach only 9°C, 15° 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 | 9°C | 2°C | 65 mm | 10.7 | 9 h 06 | 16 | Strong coverage |
| February | 10.8°C | 1.7°C | 51 mm | 9.1 | 10 h 19 | 25 | Strong coverage |
| March | 14.8°C | 4.2°C | 61 mm | 10.2 | 11 h 46 | 40 | Strong coverage |
| April | 17.7°C | 6.4°C | 83 mm | 11.2 | 13 h 26 | 50 | Strong coverage |
| May | 21.5°C | 9.6°C | 82 mm | 11.1 | 14 h 51 | 68 | Strong coverage |
| June | 25.3°C | 12.8°C | 76 mm | 8.7 | 15 h 38 | 81 | Strong coverage |
| July | 27.6°C | 14.5°C | 55 mm | 6.7 | 15 h 19 | 81 | Strong coverage |
| August | 27.8°C | 14.5°C | 63 mm | 7.7 | 14 h 05 | 78 | Strong coverage |
| September | 23.7°C | 11.4°C | 74 mm | 8.9 | 12 h 28 | 82 | Strong coverage |
| October | 18.9°C | 9.2°C | 71 mm | 10 | 10 h 52 | 62 | Strong coverage |
| November | 12.7°C | 4.9°C | 76 mm | 11.4 | 9 h 27 | 31 | Strong coverage |
| December | 9.6°C | 2.6°C | 67 mm | 11 | 8 h 45 | 18 | 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 | 19.9°C5 Jan 1999 | -19.0°C16 Jan 1985 | 76 mm9 Jan 1996 | 159 mm2016 · driest 8 mm in 2000 | 65 |
| February | 25.2°C24 Feb 1990 | -14.2°C9 Feb 2012 | 38 mm23 Feb 1980 | 159 mm1970 · driest 6 mm in 1993 | 66 |
| March | 27.5°C21 Mar 1990 | -12.8°C7 Mar 1971 | 45 mm14 Mar 1979 | 143 mm2006 · driest 1 mm in 1961 | 66 |
| April | 31.3°C30 Apr 2005 | -4.8°C7 Apr 2021 | 72 mm18 Apr 1964 | 197 mm1998 · driest 8 mm in 1984 | 66 |
| May | 34.4°C26 May 2026 | -1.4°C8 May 1974 | 64 mm19 May 2012 | 171 mm1988 · driest 19 mm in 2011 | 66 |
| June | 41.5°C22 Jun 2026 | 1.8°C2 Jun 1975 | 71 mm2 Jun 1963 | 212 mm1963 · driest 4 mm in 1976 | 66 |
| July | 40.7°C19 Jul 1998 | 5.7°C1 Jul 1972 | 103 mm4 Jul 2001 | 207 mm2001 · driest 1 mm in 2022 | 66 |
| August | 41.8°C4 Aug 2003 | 3.8°C30 Aug 1986 | 80 mm14 Aug 1993 | 170 mm1968 · driest 6 mm in 2016 | 65 |
| September | 36.8°C3 Sep 2005 | 0.6°C21 Sep 1977 | 80 mm19 Sep 1979 | 211 mm1993 · driest 2 mm in 1985 | 65 |
| October | 33.1°C1 Oct 2023 | -4.7°C25 Oct 2003 | 101 mm4 Oct 1966 | 201 mm1966 · driest 7 mm in 1978 | 65 |
| November | 24.5°C8 Nov 2015 | -9.0°C17 Nov 2007 | 69 mm7 Nov 1962 | 192 mm2023 · driest 14 mm in 1978 | 65 |
| December | 19.4°C8 Dec 2010 | -13.2°C26 Dec 1962 | 37 mm28 Dec 1995 | 218 mm1981 · driest 6 mm in 2015 | 65 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 11 | 2 |
| February | 0 | 0 | 10 | 1 |
| March | <1 | 0 | 5 | 2 |
| April | 2 | 0 | 2 | 3 |
| May | 8 | 1 | <1 | 3 |
| June | 15 | 5 | 0 | 2 |
| July | 22 | 10 | 0 | 2 |
| August | 21 | 10 | 0 | 2 |
| September | 12 | 3 | 0 | 2 |
| October | 3 | <1 | <1 | 2 |
| November | 0 | 0 | 5 | 3 |
| December | 0 | 0 | 9 | 2 |
The best month has moved. On the 1961–1990 numbers the strongest month here was August (scoring 88); on 2011–2025 it is September (90). 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% | 6% | 48% | 6.5–11.0°C |
| February | 2% | 36% | 6% | 48% | 7.4–14.1°C |
| March | 10% | 34% | 6% | 46% | 11.3–16.1°C |
| April | 21% | 37% | 8% | 50% | 14.3–19.4°C |
| May | 39% | 38% | 9% | 51% | 18.0–23.3°C |
| June | 62% | 29% | 8% | 34% | 21.8–27.4°C |
| July | 76% | 22% | 5% | 22% | 24.6–30.1°C |
| August | 73% | 25% | 7% | 28% | 24.0–29.6°C |
| September | 60% | 28% | 8% | 37% | 20.4–26.5°C |
| October | 35% | 31% | 8% | 39% | 16.4–21.4°C |
| November | 3% | 38% | 8% | 51% | 10.0–15.1°C |
| December | 0% | 36% | 7% | 48% | 6.7–11.4°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