December
December · January · October
Mexico · 1991–2020
December leads for comfortable weather in Cinco de Mayo: typically 24.2°C by day, 2.3°C at night, with 4 mm of rain. Based on measured 1991–2020 NOAA station history.
December · January · October
October · June · September
January · December · October
The weakest month is July, scoring 59 against December’s 76 — days average 30.8°C, 7° above 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 | 23.6°C | 1.7°C | 16 mm | 1 | 10 h 48 | 75 | Strong coverage |
| February | 26°C | 3.5°C | 5 mm | 0.9 | 11 h 19 | 73 | Good coverage |
| March | 28.2°C | 5.5°C | 5 mm | 0.9 | 11 h 57 | 69 | Strong coverage |
| April | 31°C | 8.9°C | 3 mm | 0.8 | 12 h 41 | 66 | Good coverage |
| May | 33.4°C | 12.1°C | 5 mm | 1.2 | 13 h 18 | 64 | Strong coverage |
| June | 33.6°C | 14.5°C | 48 mm | 5.7 | 13 h 37 | 63 | Strong coverage |
| July | 30.8°C | 14.2°C | 99 mm | 12.5 | 13 h 29 | 59 | Strong coverage |
| August | 30.2°C | 13.7°C | 95 mm | 12.1 | 12 h 58 | 61 | Strong coverage |
| September | 28.8°C | 13°C | 76 mm | 9.3 | 12 h 16 | 69 | Strong coverage |
| October | 28.3°C | 9°C | 16 mm | 2.8 | 11 h 33 | 75 | Strong coverage |
| November | 26.2°C | 4.8°C | 12 mm | 1.4 | 10 h 57 | 74 | Strong coverage |
| December | 24.2°C | 2.3°C | 4 mm | 0.8 | 10 h 39 | 76 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 30.0°C31 Jan 2021 | -7.0°C12 Jan 1991 | 136 mm12 Jan 2013 | 136 mm2013 · driest 0 mm in 2001 | 38 |
| February | 34.8°C17 Feb 2019 | -10.8°C28 Feb 1984 | 30 mm3 Feb 2015 | 38 mm2015 · driest 0 mm in 2000 | 37 |
| March | 37.6°C25 Mar 2020 | -5.6°C8 Mar 2008 | 24 mm3 Mar 2001 | 39 mm2001 · driest 0 mm in 1984 | 42 |
| April | 40.2°C6 Apr 2026 | -2.4°C1 Apr 1987 | 15 mm14 Apr 1997 | 23 mm2001 · driest 0 mm in 2021 | 40 |
| May | 43.2°C12 May 2026 | 0.0°C14 May 1997 | 43 mm30 May 1983 | 44 mm1983 · driest 0 mm in 1989 | 42 |
| June | 41.1°C9 Jun 2026 | 7.4°C1 Jun 1992 | 99 mm5 Jun 2017 | 154 mm1993 · driest 0 mm in 1979 | 41 |
| July | 41.9°C13 Jul 2026 | 8.7°C7 Jul 1985 | 99 mm14 Jul 2017 | 171 mm2017 · driest 16 mm in 2009 | 38 |
| August | 37.2°C6 Aug 2019 | 8.5°C2 Aug 1991 | 52 mm17 Aug 2018 | 176 mm1989 · driest 9 mm in 2024 | 37 |
| September | 37.4°C26 Sep 2023 | 2.0°C29 Sep 1979 | 114 mm17 Sep 1994 | 196 mm2022 · driest 9 mm in 2005 | 36 |
| October | 35.0°C19 Oct 1979 | -0.8°C31 Oct 2007 | 45 mm4 Oct 1996 | 84 mm1996 · driest 0 mm in 1979 | 40 |
| November | 34.0°C28 Nov 2024 | -6.0°C28 Nov 2011 | 69 mm26 Nov 1982 | 76 mm2014 · driest 0 mm in 2009 | 41 |
| December | 31.0°C4 Dec 2019 | -11.0°C15 Dec 1997 | 18 mm16 Dec 2017 | 21 mm2017 · driest 0 mm in 2005 | 37 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 8 | 0 | 8 | <1 |
| February | 14 | 2 | 3 | <1 |
| March | 20 | 7 | 1 | <1 |
| April | 22 | 16 | <1 | <1 |
| May | 24 | 21 | <1 | <1 |
| June | 25 | 22 | 0 | 1 |
| July | 23 | 16 | 0 | 2 |
| August | 24 | 15 | 0 | 3 |
| September | 21 | 8 | 0 | 2 |
| October | 23 | 7 | <1 | <1 |
| November | 15 | 1 | 3 | <1 |
| December | 10 | <1 | 5 | <1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 86% | 4% | <1% | 2% | 21.3–25.2°C |
| February | 93% | 3% | <1% | 0% | 21.2–28.2°C |
| March | 98% | 2% | <1% | 1% | 25.6–30.4°C |
| April | 98% | 2% | <1% | <1% | 28.3–33.0°C |
| May | 96% | 4% | <1% | 2% | 30.1–35.2°C |
| June | 82% | 19% | 4% | 26% | 31.3–36.4°C |
| July | 59% | 40% | 9% | 58% | 27.7–32.5°C |
| August | 61% | 38% | 9% | 54% | 27.4–32.2°C |
| September | 70% | 31% | 7% | 40% | 27.2–30.9°C |
| October | 91% | 9% | 1% | 4% | 25.7–30.1°C |
| November | 94% | 5% | 1% | 5% | 24.5–27.8°C |
| December | 90% | 3% | <1% | 1% | 22.7–26.3°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