Hawthorne weather by month & the best time to visit
United States · seaside town · semi-arid climate

The best time to visit Hawthorne is June — its sunniest month (Sunshine Score 97/100), with August and July close behind. Hawthorne averages about 3,009 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 1 mm of rain in June.
When is the best time to visit Hawthorne?
For sunshine, the best time to visit Hawthorne is June, then August and July. The dullest month is December (78/100, 65 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hawthorne?
Hawthorne is one of the sunniest places on Earth: about 3,009 hours of sunshine a year. June (97/100) is noticeably better than December (78). It ranks #86 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain is strongly seasonal here: roughly 64% of the year's 332 mm falls in the three months around January.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 83 | 20° / 68°F | 9° / 48°F | 73 mm | 3 | 16° / 61°F |
| February | 83 | 20° / 68°F | 9° / 48°F | 75 mm | 4 | 16° / 61°F |
| March | 89 | 22° / 72°F | 11° / 52°F | 42 mm | 6 | 16° / 61°F |
| April | 93 | 23° / 73°F | 12° / 54°F | 19 mm | 8 | 15° / 59°F |
| May | 95 | 26° / 79°F | 14° / 57°F | 9 mm | 8 | 16° / 61°F |
| June | 97 | 29° / 84°F | 17° / 63°F | 1 mm | 9 | 19° / 66°F |
| July | 96 | 32° / 90°F | 20° / 68°F | 2 mm | 10 | 21° / 70°F |
| August | 97 | 32° / 90°F | 20° / 68°F | 1 mm | 9 | 22° / 72°F |
| September | 96 | 32° / 90°F | 19° / 66°F | 3 mm | 8 | 22° / 72°F |
| October | 94 | 28° / 82°F | 16° / 61°F | 17 mm | 5 | 19° / 66°F |
| November | 92 | 23° / 73°F | 12° / 54°F | 25 mm | 4 | 16° / 61°F |
| December | 78 | 19° / 66°F | 9° / 48°F | 65 mm | 3 | 15° / 59°F |
Sea temperature in Hawthorne by month
The sea off Hawthorne is warmest in August at around 22°C / 72°F, and coolest in April at 15°C / 59°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Hawthorne: questions and answers
What kind of destination is Hawthorne?
Hawthorne is a seaside town in United States with a semi-arid climate — the sea reaches 22°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Hawthorne get a year?
Hawthorne gets about 3,009 hours of sunshine a year, at its best around June.
When is the best time to visit Hawthorne?
The sunniest time to visit Hawthorne is June, when the Sunshine Score peaks at 97/100 (with August and July close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Hawthorne?
December is the least sunny month in Hawthorne, scoring 78/100 with about 65 mm of rain.
What is the sea temperature in Hawthorne?
The sea in Hawthorne ranges from about 15°C (April) to 22°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Hawthorne?
The typical midday UV index in Hawthorne peaks around 10 (very high) in July, easing to about 3 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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