October
October · September · May
United States · 1991–2020
October leads for comfortable weather in Guion: typically 23.2°C by day, 8.8°C at night, with 88 mm of rain. Based on measured 1991–2020 NOAA station history.
October · September · May
June · July · September
October · April · March
The weakest month is January, scoring 9 against October’s 76 — days reach only 9.1°C, 15° below the 24°C the score treats as ideal, and nights drop to -2.5°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 | 9.1°C | -2.5°C | 84 mm | 6.4 | 9 h 58 | 9 | Strong coverage |
| February | 11.9°C | -0.5°C | 90 mm | 5.9 | 10 h 49 | 22 | Strong coverage |
| March | 16.2°C | 3.5°C | 124 mm | 8.5 | 11 h 51 | 36 | Good coverage |
| April | 21.8°C | 8.6°C | 131 mm | 7.7 | 13 h 03 | 63 | Good coverage |
| May | 25.7°C | 13.7°C | 148 mm | 9.2 | 14 h 03 | 70 | Good coverage |
| June | 30.4°C | 18.3°C | 97 mm | 6.9 | 14 h 35 | 61 | Good coverage |
| July | 33.3°C | 20.7°C | 96 mm | 7.3 | 14 h 22 | 47 | Strong coverage |
| August | 32.8°C | 19.6°C | 97 mm | 6.7 | 13 h 31 | 51 | Strong coverage |
| September | 29.1°C | 15.1°C | 89 mm | 5.8 | 12 h 22 | 73 | Strong coverage |
| October | 23.2°C | 8.8°C | 88 mm | 6.5 | 11 h 13 | 76 | Strong coverage |
| November | 15.9°C | 3.4°C | 134 mm | 7.2 | 10 h 13 | 35 | Strong coverage |
| December | 10.6°C | -0.6°C | 106 mm | 6.6 | 9 h 44 | 14 | 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 | 25.6°C7 Jan 2026 | -24.4°C11 Jan 1977 | 130 mm13 Jan 2013 | 216 mm1982 · driest 10 mm in 1986 | 59 |
| February | 28.3°C24 Feb 1996 | -21.7°C4 Feb 1985 | 125 mm9 Feb 2023 | 233 mm2018 · driest 14 mm in 1963 | 59 |
| March | 33.3°C22 Mar 2026 | -13.9°C2 Mar 1980 | 135 mm28 Mar 1977 | 289 mm1975 · driest 27 mm in 1966 | 58 |
| April | 34.4°C21 Apr 1987 | -6.1°C4 Apr 1987 | 116 mm5 Apr 2025 | 343 mm1991 · driest 6 mm in 2006 | 58 |
| May | 35.0°C31 May 1977 | 0.0°C4 May 1976 | 205 mm9 May 1989 | 331 mm2011 · driest 16 mm in 2012 | 57 |
| June | 42.2°C29 Jun 2012 | 5.6°C3 Jun 1969 | 107 mm15 Jun 2001 | 162 mm1999 · driest 16 mm in 2006 | 58 |
| July | 42.8°C7 Jul 2012 | 9.4°C31 Jul 1971 | 147 mm17 Jul 2024 | 328 mm2024 · driest 22 mm in 1997 | 58 |
| August | 45.6°C4 Aug 2011 | 5.6°C29 Aug 1986 | 116 mm10 Aug 2023 | 284 mm2016 · driest 3 mm in 2000 | 59 |
| September | 41.1°C1 Sep 2000 | -1.1°C29 Sep 1967 | 209 mm22 Sep 1965 | 399 mm1965 · driest 2 mm in 1924 | 60 |
| October | 33.9°C1 Oct 2023 | -6.1°C24 Oct 1981 | 159 mm6 Oct 1998 | 365 mm1984 · driest 0 mm in 1965 | 59 |
| November | 31.1°C1 Nov 2003 | -13.3°C30 Nov 1976 | 144 mm5 Nov 1994 | 376 mm2011 · driest 23 mm in 1989 | 58 |
| December | 27.2°C27 Dec 2025 | -22.8°C24 Dec 1989 | 302 mm3 Dec 1982 | 552 mm1982 · driest 3 mm in 2005 | 59 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 20 | 3 | <1 |
| February | <1 | 0 | 16 | 3 | <1 |
| March | 3 | <1 | 9 | 4 | <1 |
| April | 9 | 1 | 2 | 4 | 0 |
| May | 20 | 5 | 0 | 5 | 0 |
| June | 27 | 19 | 0 | 3 | 0 |
| July | 30 | 27 | 0 | 3 | 0 |
| August | 30 | 25 | 0 | 3 | 0 |
| September | 25 | 15 | <1 | 3 | 0 |
| October | 13 | 3 | 2 | 3 | 0 |
| November | 1 | <1 | 9 | 4 | <1 |
| December | 0 | 0 | 18 | 3 | <1 |
The best month has moved. On the 1961–1990 numbers the strongest month here was May (scoring 76); on 2011–2025 it is October (80). 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 | 4% | 21% | 9% | 19% | 5.7–11.8°C |
| February | 11% | 23% | 10% | 23% | 7.6–15.3°C |
| March | 26% | 26% | 13% | 27% | 13.1–19.4°C |
| April | 54% | 26% | 13% | 29% | 20.1–23.9°C |
| May | 68% | 28% | 15% | 32% | 23.9–28.1°C |
| June | 78% | 23% | 11% | 23% | 28.5–32.1°C |
| July | 78% | 22% | 10% | 20% | 31.5–35.5°C |
| August | 80% | 20% | 9% | 19% | 30.3–34.8°C |
| September | 78% | 20% | 10% | 17% | 26.8–30.7°C |
| October | 63% | 19% | 9% | 19% | 20.8–25.2°C |
| November | 26% | 22% | 12% | 20% | 12.9–19.2°C |
| December | 5% | 21% | 10% | 21% | 8.0–13.0°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