May
May · September · August
United States · 1991–2020
May leads for comfortable weather in Robinson: typically 24.4°C by day, 12.3°C at night, with 126 mm of rain. Based on measured 1991–2020 NOAA station history.
May · September · August
August · June · July
October · April · September
The weakest month is January, scoring 5 against May’s 75 — days reach only 3°C, 21° below 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 | 3°C | -6.5°C | 70 mm | 6 | 9 h 42 | 5 | Good coverage |
| February | 4.9°C | -5.6°C | 61 mm | 6.4 | 10 h 40 | 5 | Good coverage |
| March | 12°C | 0.5°C | 104 mm | 8.6 | 11 h 50 | 19 | Good coverage |
| April | 18.9°C | 6.1°C | 127 mm | 8.7 | 13 h 10 | 49 | Good coverage |
| May | 24.4°C | 12.3°C | 126 mm | 10 | 14 h 17 | 75 | Good coverage |
| June | 29.8°C | 17.4°C | 107 mm | 7.7 | 14 h 53 | 62 | Good coverage |
| July | 30.8°C | 18.6°C | 114 mm | 7.9 | 14 h 39 | 56 | Good coverage |
| August | 30.2°C | 17.3°C | 72 mm | 5.3 | 13 h 41 | 68 | Good coverage |
| September | 27.5°C | 13.1°C | 88 mm | 5.5 | 12 h 24 | 75 | Good coverage |
| October | 20°C | 6.4°C | 106 mm | 6.3 | 11 h 06 | 58 | Good coverage |
| November | 12.4°C | 0.8°C | 90 mm | 6.7 | 9 h 59 | 25 | Good coverage |
| December | 5.7°C | -3.7°C | 87 mm | 7.9 | 9 h 26 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 22.8°C24 Jan 1909 | -27.2°C27 Jan 1904 | 56 mm13 Jan 2013 | 217 mm2005 · driest 0 mm in 2022 | 39 |
| February | 23.3°C28 Feb 2024 | -28.9°C9 Feb 1899 | 39 mm25 Feb 1901 | 147 mm1908 · driest 4 mm in 2025 | 39 |
| March | 30.6°C27 Mar 1910 | -20.6°C6 Mar 2015 | 117 mm25 Mar 1904 | 358 mm1898 · driest 8 mm in 1910 | 39 |
| April | 31.1°C16 Apr 2006 | -5.6°C2 Apr 1899 | 80 mm5 Apr 2025 | 335 mm2011 · driest 17 mm in 1899 | 38 |
| May | 36.1°C28 May 1911 | -3.3°C1 May 1903 | 105 mm6 May 1908 | 257 mm2002 · driest 18 mm in 1903 | 36 |
| June | 40.6°C29 Jun 2012 | 3.9°C12 Jun 1903 | 121 mm7 Jun 2008 | 244 mm2008 · driest 8 mm in 2012 | 38 |
| July | 42.2°C22 Jul 1901 | 8.9°C2 Jul 1904 | 97 mm5 Jul 1909 | 244 mm1910 · driest 13 mm in 2012 | 40 |
| August | 39.4°C3 Aug 1897 | 7.2°C15 Aug 2004 | 85 mm9 Aug 2021 | 158 mm2021 · driest 9 mm in 2024 | 40 |
| September | 39.4°C6 Sep 1899 | -3.9°C30 Sep 1899 | 130 mm25 Sep 1898 | 318 mm1911 · driest 5 mm in 2016 | 40 |
| October | 35.0°C2 Oct 2019 | -6.1°C31 Oct 2023 | 103 mm3 Oct 2014 | 237 mm2001 · driest 0 mm in 2024 | 39 |
| November | 28.3°C2 Nov 2016 | -16.1°C12 Nov 2019 | 65 mm1 Nov 2013 | 200 mm1897 · driest 20 mm in 2023 | 39 |
| December | 22.2°C4 Dec 2012 | -22.8°C23 Dec 2022 | 65 mm14 Dec 1901 | 159 mm2015 · driest 11 mm in 2016 | 39 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 25 | 2 | 3 |
| February | 0 | 0 | 23 | 2 | 3 |
| March | 1 | 0 | 16 | 4 | <1 |
| April | 6 | <1 | 4 | 4 | <1 |
| May | 16 | 6 | <1 | 4 | 0 |
| June | 27 | 15 | 0 | 3 | 0 |
| July | 28 | 20 | 0 | 4 | 0 |
| August | 28 | 17 | 0 | 2 | 0 |
| September | 21 | 10 | <1 | 3 | 0 |
| October | 8 | 2 | 4 | 3 | 0 |
| November | <1 | 0 | 15 | 3 | <1 |
| December | 0 | 0 | 23 | 3 | 2 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | <1% | 20% | 8% | 17% | -0.1–7.0°C |
| February | 2% | 22% | 9% | 18% | 0.1–9.4°C |
| March | 12% | 26% | 13% | 27% | 8.9–16.3°C |
| April | 31% | 27% | 13% | 31% | 16.1–20.6°C |
| May | 57% | 29% | 12% | 36% | 22.1–27.2°C |
| June | 73% | 27% | 12% | 28% | 27.3–31.0°C |
| July | 77% | 23% | 12% | 20% | 28.7–32.2°C |
| August | 81% | 19% | 8% | 15% | 28.7–32.2°C |
| September | 78% | 18% | 9% | 16% | 25.4–29.7°C |
| October | 48% | 18% | 9% | 16% | 18.7–23.4°C |
| November | 11% | 20% | 10% | 18% | 10.0–15.5°C |
| December | <1% | 23% | 10% | 22% | 2.7–8.4°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