May
May · June · October
United States · 1991–2020
May leads for comfortable weather in Happy Camp: typically 25.6°C by day, 6.3°C at night, with 38 mm of rain. Based on measured 1991–2020 NOAA station history.
May · June · October
June · July · September
May · April · October
The weakest month is January, scoring 5 against May’s 77 — days reach only 9.5°C, 14° below the 24°C the score treats as ideal, and 260 mm of rain falls.
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 | 9.5°C | -0.2°C | 260 mm | 12 | 9 h 27 | 5 | Good coverage |
| February | 12.9°C | 0.2°C | 176 mm | 10 | 10 h 31 | 11 | Good coverage |
| March | 16°C | 1.5°C | 178 mm | 11.8 | 11 h 48 | 21 | Good coverage |
| April | 19.7°C | 2.4°C | 79 mm | 8.5 | 13 h 17 | 52 | Good coverage |
| May | 25.6°C | 6.3°C | 38 mm | 5.4 | 14 h 31 | 77 | Strong coverage |
| June | 29.1°C | 8.6°C | 21 mm | 2.8 | 15 h 12 | 72 | Strong coverage |
| July | 34.7°C | 12°C | 14 mm | 1.4 | 14 h 56 | 59 | Good coverage |
| August | 34.4°C | 11°C | 7 mm | 0.9 | 13 h 51 | 58 | Good coverage |
| September | 30.8°C | 7.7°C | 18 mm | 1.8 | 12 h 26 | 65 | Good coverage |
| October | 22.6°C | 4°C | 91 mm | 5.2 | 11 h 00 | 66 | Good coverage |
| November | 14.2°C | 2.3°C | 155 mm | 8.5 | 9 h 46 | 23 | Good coverage |
| December | 9.1°C | -0.4°C | 306 mm | 12.3 | 9 h 09 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 20.6°C24 Jan 2014 | -14.4°C7 Jan 1937 | 160 mm2 Jan 1997 | 609 mm1953 · driest 7 mm in 1984 | 96 |
| February | 26.7°C26 Feb 1992 | -14.4°C1 Feb 1950 | 110 mm21 Feb 1956 | 556 mm1958 · driest 0 mm in 2020 | 100 |
| March | 33.3°C20 Mar 1925 | -7.2°C1 Mar 1917 | 88 mm18 Mar 1975 | 449 mm1938 · driest 8 mm in 1965 | 102 |
| April | 35.6°C9 Apr 1985 | -5.6°C10 Apr 1984 | 57 mm1 Apr 1974 | 238 mm1963 · driest 0 mm in 1939 | 102 |
| May | 42.2°C25 May 1936 | -5.6°C5 May 1984 | 64 mm25 May 1942 | 163 mm1933 · driest 0 mm in 1982 | 104 |
| June | 44.4°C26 Jun 1922 | -2.8°C29 Jun 1988 | 35 mm27 Jun 2001 | 102 mm1958 · driest 0 mm in 1935 | 105 |
| July | 46.1°C23 Jul 1928 | -2.2°C5 Jul 1986 | 77 mm24 Jul 2006 | 87 mm2006 · driest 0 mm in 1954 | 102 |
| August | 46.1°C9 Aug 1978 | -1.1°C21 Aug 1939 | 54 mm30 Aug 1983 | 110 mm1983 · driest 0 mm in 2005 | 103 |
| September | 43.9°C7 Sep 2022 | -4.4°C28 Sep 1988 | 74 mm28 Sep 1977 | 153 mm1977 · driest 0 mm in 1998 | 101 |
| October | 37.8°C9 Oct 1971 | -7.8°C26 Oct 1974 | 151 mm17 Oct 2016 | 508 mm1950 · driest 0 mm in 2002 | 99 |
| November | 27.2°C1 Nov 1959 | -12.2°C24 Nov 1993 | 106 mm30 Nov 2012 | 483 mm1937 · driest 0 mm in 1989 | 96 |
| December | 20.6°C12 Dec 1958 | -18.9°C10 Dec 1972 | 221 mm16 Dec 2002 | 693 mm1964 · driest 12 mm in 1976 | 96 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 10 | 4 | <1 |
| February | 0 | 0 | 9 | 4 | <1 |
| March | <1 | 0 | 7 | 4 | 0 |
| April | 4 | 1 | 5 | 2 | <1 |
| May | 11 | 6 | <1 | 1 | 0 |
| June | 16 | 10 | <1 | <1 | 0 |
| July | 22 | 19 | 0 | <1 | 0 |
| August | 22 | 20 | 0 | <1 | 0 |
| September | 19 | 13 | <1 | <1 | 0 |
| October | 8 | 2 | 2 | 2 | 0 |
| November | <1 | 0 | 7 | 3 | <1 |
| December | 0 | 0 | 11 | 5 | <1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 41% | 23% | 52% | 6.1–11.6°C |
| February | 5% | 38% | 20% | 46% | 9.5–14.8°C |
| March | 26% | 37% | 17% | 42% | 13.0–19.8°C |
| April | 50% | 26% | 8% | 27% | 16.7–24.1°C |
| May | 73% | 18% | 4% | 15% | 21.5–29.0°C |
| June | 87% | 11% | 2% | 8% | 27.0–33.1°C |
| July | 96% | 3% | <1% | <1% | 31.9–37.5°C |
| August | 96% | 4% | <1% | 2% | 32.0–36.9°C |
| September | 89% | 9% | 3% | 7% | 27.7–33.4°C |
| October | 64% | 19% | 9% | 21% | 19.3–25.8°C |
| November | 7% | 34% | 18% | 45% | 10.8–15.9°C |
| December | 0% | 40% | 24% | 48% | 6.2–11.2°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