May
May · June · September
United States · 1991–2020
May leads for comfortable weather in Sparks: typically 23.2°C by day, 5.5°C at night, with 18 mm of rain. Based on measured 1991–2020 NOAA station history.
May · June · September
June · July · August
May · April · October
The weakest month is December, scoring 12 against May’s 80 — days reach only 8.4°C, 16° below the 24°C the score treats as ideal, and nights drop to -4.6°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°C | -4.6°C | 33 mm | 4.9 | 9 h 40 | 14 | Strong coverage |
| February | 11.6°C | -3.1°C | 24 mm | 4.4 | 10 h 39 | 25 | Strong coverage |
| March | 15.4°C | -0.5°C | 20 mm | 3.8 | 11 h 49 | 43 | Strong coverage |
| April | 18.4°C | 1.9°C | 13 mm | 2.5 | 13 h 11 | 58 | Strong coverage |
| May | 23.2°C | 5.5°C | 18 mm | 3.3 | 14 h 19 | 80 | Strong coverage |
| June | 28.9°C | 9.1°C | 9 mm | 1.9 | 14 h 57 | 73 | Strong coverage |
| July | 33.3°C | 12.5°C | 10 mm | 1.4 | 14 h 42 | 65 | Strong coverage |
| August | 32.7°C | 11.3°C | 7 mm | 1.3 | 13 h 43 | 65 | Strong coverage |
| September | 28.7°C | 7.4°C | 6 mm | 1 | 12 h 24 | 71 | Strong coverage |
| October | 21.9°C | 1.9°C | 13 mm | 2.4 | 11 h 05 | 70 | Strong coverage |
| November | 14°C | -2.1°C | 18 mm | 2.9 | 9 h 57 | 36 | Strong coverage |
| December | 8.4°C | -4.6°C | 27 mm | 4 | 9 h 23 | 12 | Strong coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 22.8°C31 Jan 2003 | -19.4°C3 Jan 1993 | 44 mm1 Jan 2011 | 132 mm2017 · driest 0 mm in 2022 | 34 |
| February | 23.9°C14 Feb 2015 | -28.3°C7 Feb 1989 | 36 mm21 Feb 2017 | 86 mm2019 · driest 0 mm in 2020 | 33 |
| March | 27.8°C30 Mar 2015 | -10.0°C4 Mar 1997 | 23 mm11 Mar 1995 | 76 mm1995 · driest 0 mm in 1997 | 32 |
| April | 31.1°C23 Apr 2012 | -9.4°C4 Apr 1999 | 25 mm24 Apr 2006 | 61 mm2006 · driest 0 mm in 1993 | 32 |
| May | 35.6°C28 May 2003 | -3.9°C11 May 2000 | 19 mm16 May 1996 | 65 mm2018 · driest 0 mm in 2020 | 31 |
| June | 40.0°C29 Jun 2021 | -1.1°C3 Jun 2011 | 24 mm6 Jun 2011 | 35 mm2011 · driest 0 mm in 2003 | 31 |
| July | 42.2°C11 Jul 2002 | 2.2°C1 Jul 1997 | 28 mm15 Jul 2018 | 52 mm2015 · driest 0 mm in 2000 | 30 |
| August | 38.9°C2 Aug 2017 | 3.3°C31 Aug 1999 | 23 mm6 Aug 2005 | 44 mm2003 · driest 0 mm in 1998 | 32 |
| September | 38.9°C5 Sep 2020 | -1.7°C23 Sep 2017 | 23 mm26 Sep 1998 | 71 mm1998 · driest 0 mm in 2000 | 30 |
| October | 34.4°C2 Oct 2012 | -12.8°C25 Oct 2000 | 61 mm25 Oct 2021 | 101 mm2021 · driest 0 mm in 2003 | 28 |
| November | 26.7°C5 Nov 2020 | -16.7°C19 Nov 1994 | 28 mm2 Nov 2015 | 64 mm1988 · driest 0 mm in 1999 | 34 |
| December | 20.0°C3 Dec 2007 | -27.2°C22 Dec 1990 | 41 mm31 Dec 2005 | 97 mm2005 · driest 0 mm in 2011 | 33 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 26 | <1 | <1 |
| February | 0 | 0 | 22 | <1 | <1 |
| March | <1 | 0 | 18 | <1 | <1 |
| April | 4 | <1 | 10 | <1 | <1 |
| May | 12 | 4 | 2 | <1 | 0 |
| June | 22 | 14 | <1 | <1 | 0 |
| July | 29 | 25 | 0 | <1 | 0 |
| August | 28 | 24 | 0 | <1 | 0 |
| September | 22 | 13 | <1 | <1 | 0 |
| October | 9 | 1 | 11 | <1 | 0 |
| November | <1 | 0 | 21 | <1 | <1 |
| December | 0 | 0 | 25 | <1 | <1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | <1% | 15% | 3% | 17% | 5.7–11.9°C |
| February | 4% | 15% | 2% | 14% | 7.3–14.9°C |
| March | 22% | 12% | 2% | 7% | 11.8–18.2°C |
| April | 43% | 8% | <1% | 3% | 15.5–20.8°C |
| May | 70% | 10% | 1% | 8% | 20.4–25.7°C |
| June | 92% | 6% | <1% | 4% | 25.7–31.0°C |
| July | 95% | 4% | <1% | 2% | 31.1–35.1°C |
| August | 96% | 5% | <1% | 2% | 30.9–33.8°C |
| September | 94% | 4% | <1% | 2% | 26.9–30.2°C |
| October | 69% | 8% | 1% | 5% | 18.8–25.2°C |
| November | 18% | 9% | 2% | 5% | 11.8–16.3°C |
| December | <1% | 13% | 2% | 11% | 6.8–10.3°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