December
December · February · January
United States · 1991–2020
December leads for comfortable weather in Harbor View: typically 25°C by day, 12.4°C at night, with 44 mm of rain. Based on measured 1991–2020 NOAA station history.
December · February · January
October · April · November
January · February · December
The weakest month is August, scoring 15 against December’s 89 — days average 33.2°C, 9° above the 24°C the score treats as ideal, and 231 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 | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 23.6°C | 10.2°C | 49 mm | 4.3 | 19.4°C | 10 h 37 | 87 | Good coverage |
| February | 25.4°C | 11.8°C | 45 mm | 3.4 | 19.2°C | 11 h 12 | 88 | Good coverage |
| March | 27.2°C | 13.4°C | 53 mm | 4 | 20.7°C | 11 h 56 | 83 | Good coverage |
| April | 29.6°C | 16°C | 47 mm | 3.8 | 23.3°C | 12 h 46 | 77 | Good coverage |
| May | 31.9°C | 18.8°C | 80 mm | 6.5 | 25.9°C | 13 h 27 | 58 | Good coverage |
| June | 32.9°C | 22.4°C | 231 mm | 14.1 | 28.4°C | 13 h 50 | 20 | Good coverage |
| July | 33.1°C | 23.5°C | 207 mm | 14.9 | 29.7°C | 13 h 41 | 20 | Good coverage |
| August | 33.2°C | 23.8°C | 231 mm | 16.1 | 30.1°C | 13 h 05 | 15 | Good coverage |
| September | 32.3°C | 23.2°C | 177 mm | 11.8 | 29.5°C | 12 h 17 | 30 | Good coverage |
| October | 30.4°C | 19.6°C | 71 mm | 5.8 | 27.4°C | 11 h 29 | 63 | Good coverage |
| November | 27.2°C | 14.8°C | 47 mm | 3.4 | 23.9°C | 10 h 47 | 87 | Good coverage |
| December | 25°C | 12.4°C | 44 mm | 4.7 | 21.4°C | 10 h 27 | 89 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 30.6°C6 Jan 1998 | -3.9°C5 Jan 2001 | 86 mm15 Jan 2016 | 252 mm2016 · driest 1 mm in 2023 | 30 |
| February | 32.2°C24 Feb 2023 | -2.8°C3 Feb 2026 | 74 mm4 Feb 2006 | 104 mm2016 · driest 0 mm in 2001 | 30 |
| March | 33.9°C30 Mar 2021 | 1.1°C4 Mar 2013 | 107 mm12 Mar 2010 | 221 mm2010 · driest 0 mm in 2020 | 30 |
| April | 35.6°C28 Apr 2017 | 3.9°C1 Apr 2003 | 76 mm26 Apr 2003 | 154 mm2023 · driest 1 mm in 2006 | 30 |
| May | 38.3°C30 May 2024 | 9.4°C7 May 2017 | 82 mm23 May 2003 | 406 mm2018 · driest 10 mm in 2000 | 30 |
| June | 38.3°C5 Jun 2024 | 17.2°C10 Jun 2000 | 132 mm21 Jun 2003 | 423 mm2003 · driest 88 mm in 2007 | 30 |
| July | 37.8°C3 Jul 1998 | 20.6°C20 Jul 2009 | 124 mm7 Jul 2021 | 380 mm2021 · driest 116 mm in 2024 | 30 |
| August | 38.3°C12 Aug 2023 | 20.0°C27 Aug 2001 | 100 mm26 Aug 2017 | 349 mm2009 · driest 147 mm in 2011 | 29 |
| September | 36.7°C3 Sep 2020 | 17.8°C30 Sep 2022 | 145 mm5 Sep 2003 | 417 mm2022 · driest 24 mm in 2019 | 29 |
| October | 37.2°C16 Oct 1996 | 5.6°C29 Oct 2008 | 107 mm24 Oct 2005 | 179 mm2011 · driest 0 mm in 2010 | 30 |
| November | 33.9°C2 Nov 2022 | 2.8°C27 Nov 2008 | 113 mm16 Nov 2002 | 204 mm2022 · driest 0 mm in 2025 | 30 |
| December | 35.6°C7 Dec 2009 | -2.7°C28 Dec 2010 | 57 mm4 Dec 2009 | 175 mm2002 · driest 4 mm in 2014 | 29 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 14 | <1 | 1 | 1 |
| February | 18 | 3 | <1 | 1 |
| March | 25 | 7 | 0 | 2 |
| April | 28 | 16 | 0 | 2 |
| May | 31 | 27 | 0 | 2 |
| June | 29 | 27 | 0 | 7 |
| July | 30 | 29 | 0 | 6 |
| August | 30 | 29 | 0 | 7 |
| September | 30 | 27 | 0 | 5 |
| October | 30 | 21 | 0 | 2 |
| November | 25 | 5 | 0 | 1 |
| December | 18 | 2 | <1 | 1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 70% | 14% | 4% | 10% | 21.7–25.2°C |
| February | 80% | 12% | 4% | 5% | 23.5–28.1°C |
| March | 85% | 13% | 5% | 9% | 24.8–29.7°C |
| April | 87% | 13% | 5% | 9% | 27.9–31.0°C |
| May | 79% | 21% | 8% | 25% | 31.1–33.1°C |
| June | 55% | 45% | 22% | 67% | 31.6–34.3°C |
| July | 52% | 48% | 20% | 71% | 32.3–34.4°C |
| August | 48% | 53% | 24% | 77% | 32.3–34.3°C |
| September | 61% | 39% | 19% | 52% | 31.4–33.4°C |
| October | 81% | 19% | 6% | 17% | 29.2–31.7°C |
| November | 86% | 11% | 4% | 6% | 25.9–28.5°C |
| December | 77% | 14% | 4% | 10% | 23.0–27.5°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