June
June · September · May
United States · 1991–2020
June leads for comfortable weather in Susanville: typically 26.5°C by day, 8.2°C at night, with 8 mm of rain. Based on measured 1991–2020 NOAA station history.
June · September · May
July · August · June
May · October · June
The weakest month is January, scoring 5 against June’s 80 — days reach only 5.9°C, 18° below the 24°C the score treats as ideal, and nights drop to -5.3°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 | 5.9°C | -5.3°C | 65 mm | 6.2 | 9 h 35 | 5 | Strong coverage |
| February | 8.3°C | -4°C | 54 mm | 4.3 | 10 h 36 | 10 | Good coverage |
| March | 12.7°C | -1.2°C | 33 mm | 4.1 | 11 h 49 | 33 | Good coverage |
| April | 15.9°C | 0.9°C | 23 mm | 3.1 | 13 h 13 | 48 | Good coverage |
| May | 20.9°C | 4.5°C | 19 mm | 2.8 | 14 h 24 | 71 | Good coverage |
| June | 26.5°C | 8.2°C | 8 mm | 1.4 | 15 h 02 | 80 | Good coverage |
| July | 31.5°C | 11.6°C | 5 mm | 0.7 | 14 h 47 | 69 | Good coverage |
| August | 30.6°C | 10.6°C | 4 mm | 0.5 | 13 h 46 | 70 | Strong coverage |
| September | 26.8°C | 7°C | 5 mm | 0.9 | 12 h 25 | 76 | Good coverage |
| October | 19.7°C | 2°C | 19 mm | 1.8 | 11 h 03 | 63 | Good coverage |
| November | 11.5°C | -2.2°C | 31 mm | 3.4 | 9 h 53 | 27 | Good coverage |
| December | 5.8°C | -5.2°C | 74 mm | 6.4 | 9 h 18 | 5 | Good 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 | 20.0°C30 Jan 2003 | -30.0°C18 Jan 1952 | 128 mm31 Jan 1897 | 294 mm1911 · driest 0 mm in 2015 | 118 |
| February | 20.6°C17 Feb 1977 | -30.6°C1 Feb 1956 | 58 mm24 Feb 1904 | 248 mm1938 · driest 0 mm in 2020 | 114 |
| March | 27.2°C30 Mar 1966 | -20.0°C21 Mar 1952 | 96 mm4 Mar 2009 | 312 mm1907 · driest 0 mm in 2010 | 114 |
| April | 32.2°C21 Apr 1931 | -12.2°C20 Apr 2023 | 45 mm24 Apr 1896 | 130 mm1896 · driest 0 mm in 1973 | 112 |
| May | 35.6°C18 May 1954 | -6.7°C4 May 1959 | 45 mm26 May 2015 | 85 mm1971 · driest 0 mm in 1929 | 114 |
| June | 38.9°C16 Jun 1914 | -3.9°C12 Jun 1952 | 37 mm13 Jun 1958 | 65 mm1967 · driest 0 mm in 2002 | 117 |
| July | 41.1°C19 Jul 1931 | -9.4°C6 Jul 2026 | 36 mm22 Jul 1979 | 42 mm1990 · driest 0 mm in 2018 | 114 |
| August | 40.6°C1 Aug 1977 | -0.6°C28 Aug 1952 | 31 mm17 Aug 1901 | 45 mm1901 · driest 0 mm in 2025 | 118 |
| September | 38.3°C2 Sep 1950 | -7.8°C30 Sep 1950 | 37 mm13 Sep 1895 | 94 mm1918 · driest 0 mm in 1960 | 113 |
| October | 32.2°C2 Oct 1933 | -11.1°C30 Oct 2019 | 119 mm13 Oct 1962 | 312 mm1962 · driest 0 mm in 2022 | 111 |
| November | 28.3°C1 Nov 1896 | -18.3°C13 Nov 1985 | 78 mm23 Nov 1988 | 178 mm1981 · driest 0 mm in 2013 | 112 |
| December | 18.3°C1 Dec 1929 | -30.0°C9 Dec 1972 | 93 mm10 Dec 1937 | 282 mm1964 · driest 0 mm in 2000 | 113 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 25 | 2 | 2 |
| February | 0 | 0 | 22 | 2 | 2 |
| March | 0 | 0 | 19 | <1 | <1 |
| April | 2 | 0 | 13 | <1 | <1 |
| May | 8 | 1 | 4 | <1 | 0 |
| June | 19 | 8 | <1 | <1 | 0 |
| July | 28 | 21 | 0 | <1 | 0 |
| August | 28 | 18 | <1 | <1 | 0 |
| September | 20 | 8 | 2 | <1 | 0 |
| October | 4 | <1 | 9 | <1 | 0 |
| November | 0 | 0 | 20 | 1 | <1 |
| December | 0 | 0 | 25 | 2 | 1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 24% | 8% | 27% | 1.1–8.4°C |
| February | <1% | 22% | 7% | 23% | 4.5–11.1°C |
| March | 8% | 20% | 4% | 19% | 8.8–15.1°C |
| April | 31% | 13% | 2% | 9% | 13.4–19.6°C |
| May | 60% | 12% | 2% | 9% | 18.1–24.5°C |
| June | 84% | 8% | 1% | 5% | 23.9–29.5°C |
| July | 97% | 3% | <1% | <1% | 29.4–33.5°C |
| August | 96% | 3% | <1% | 1% | 28.5–32.9°C |
| September | 85% | 6% | 1% | 4% | 23.2–28.5°C |
| October | 47% | 10% | 3% | 7% | 15.7–22.0°C |
| November | 4% | 18% | 5% | 17% | 8.6–13.9°C |
| December | 0% | 22% | 7% | 24% | 2.8–8.2°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