October
October · March · November
Mexico · 1991–2020
October leads for comfortable weather in San Rafael: typically 25.6°C by day, 13.7°C at night, with 54 mm of rain. Based on measured 1991–2020 NOAA station history.
October · March · November
May · April · July
December · January · November
The weakest month is June, scoring 63 against October’s 90 — days average 30.6°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 | 20.4°C | 7.3°C | 20 mm | 1 | 10 h 51 | 74 | Good coverage |
| February | 23°C | 8.5°C | 12 mm | 0.7 | 11 h 20 | 85 | Good coverage |
| March | 26.2°C | 11.1°C | 15 mm | 1.3 | 11 h 57 | 86 | Good coverage |
| April | 28.7°C | 13.7°C | 31 mm | 1.6 | 12 h 40 | 82 | Good coverage |
| May | 30.4°C | 16.5°C | 55 mm | 2.6 | 13 h 15 | 74 | Good coverage |
| June | 30.6°C | 17.6°C | 104 mm | 4.4 | 13 h 34 | 63 | Good coverage |
| July | 30.3°C | 17.4°C | 92 mm | 3.8 | 13 h 26 | 66 | Good coverage |
| August | 30.7°C | 17.4°C | 86 mm | 4.1 | 12 h 56 | 65 | Good coverage |
| September | 28°C | 16°C | 134 mm | 5.4 | 12 h 15 | 69 | Good coverage |
| October | 25.6°C | 13.7°C | 54 mm | 2.6 | 11 h 34 | 90 | Good coverage |
| November | 22.5°C | 10°C | 18 mm | 1 | 10 h 59 | 86 | Good coverage |
| December | 20.1°C | 7.6°C | 10 mm | 0.7 | 10 h 42 | 74 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 35.0°C21 Jan 1993 | -3.3°C14 Jan 1979 | 90 mm21 Jan 1994 | 136 mm1994 · driest 0 mm in 1979 | 32 |
| February | 35.0°C12 Feb 1998 | -2.8°C2 Feb 1985 | 42 mm25 Feb 2005 | 48 mm2005 · driest 0 mm in 1985 | 33 |
| March | 38.9°C22 Mar 1991 | 0.6°C3 Mar 2002 | 26 mm15 Mar 1994 | 64 mm1997 · driest 0 mm in 1990 | 32 |
| April | 42.8°C27 Apr 1991 | 0.0°C30 Apr 1997 | 80 mm16 Apr 1979 | 167 mm1997 · driest 0 mm in 1991 | 33 |
| May | 41.7°C7 May 1978 | 6.7°C7 May 1990 | 89 mm4 May 1980 | 161 mm1992 · driest 0 mm in 1998 | 33 |
| June | 40.6°C16 Jun 1998 | 6.7°C14 Jun 1979 | 165 mm22 Jun 1977 | 296 mm1977 · driest 0 mm in 1982 | 32 |
| July | 42.8°C8 Jul 2001 | 11.7°C6 Jul 2003 | 160 mm20 Jul 2005 | 402 mm2005 · driest 0 mm in 2002 | 33 |
| August | 39.4°C15 Aug 1988 | 10.0°C15 Aug 1979 | 104 mm23 Aug 1996 | 206 mm1988 · driest 0 mm in 1999 | 33 |
| September | 38.9°C10 Sep 2001 | 7.8°C27 Sep 2000 | 164 mm16 Sep 1994 | 425 mm1978 · driest 0 mm in 2002 | 33 |
| October | 37.8°C8 Oct 2002 | 1.7°C9 Oct 2000 | 82 mm1 Oct 1998 | 176 mm1997 · driest 0 mm in 2008 | 31 |
| November | 36.7°C25 Nov 1989 | 0.0°C30 Nov 1988 | 60 mm19 Nov 2001 | 96 mm2007 · driest 0 mm in 1998 | 33 |
| December | 35.0°C8 Dec 1983 | -7.2°C23 Dec 1989 | 84 mm2 Dec 1979 | 177 mm1979 · driest 0 mm in 1997 | 32 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 6 | <1 | <1 | <1 |
| February | 11 | 2 | <1 | <1 |
| March | 21 | 8 | 0 | <1 |
| April | 25 | 15 | <1 | <1 |
| May | 29 | 20 | 0 | 2 |
| June | 29 | 21 | 0 | 3 |
| July | 30 | 22 | 0 | 2 |
| August | 30 | 24 | 0 | 3 |
| September | 26 | 11 | 0 | 4 |
| October | 21 | 4 | 0 | 2 |
| November | 10 | <1 | <1 | <1 |
| December | 5 | <1 | <1 | <1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 67% | 4% | 2% | 2% | 18.1–23.2°C |
| February | 82% | 3% | 1% | <1% | 20.4–25.1°C |
| March | 90% | 4% | 1% | 3% | 24.2–28.7°C |
| April | 92% | 7% | 3% | 6% | 27.0–31.3°C |
| May | 89% | 11% | 7% | 9% | 28.5–33.5°C |
| June | 83% | 17% | 11% | 20% | 29.1–34.4°C |
| July | 87% | 13% | 8% | 9% | 29.0–33.6°C |
| August | 87% | 13% | 9% | 14% | 29.3–33.3°C |
| September | 80% | 19% | 12% | 17% | 26.5–31.7°C |
| October | 88% | 9% | 6% | 5% | 24.4–28.9°C |
| November | 86% | 3% | 2% | 1% | 21.9–26.8°C |
| December | 69% | 4% | 2% | 1% | 18.4–23.1°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