Iliamna weather by month & the best time to visit
United States · small town · subarctic climate
The best time to visit Iliamna is July — its sunniest month (Sunshine Score 53/100), with June and August close behind. Iliamna averages about 1,458 hours of sunshine a year. Daytime highs around 18°C / 64°F and roughly 127 mm of rain in July.
When is the best time to visit Iliamna?
For sunshine, the best time to visit Iliamna is July, then June and August. The dullest month is January (0/100, 78 mm of rain). The full month-by-month picture is in the table below.
How sunny is Iliamna?
Iliamna isn't a sunny place by world standards: about 1,458 hours of sunshine a year. 53 Sunshine Score points separate July (53) from January (0), so the month you pick matters. It ranks #542 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,231 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -6° / 21°F | -13° / 9°F | 78 mm | 0 |
| February | 0 | -3° / 27°F | -10° / 14°F | 78 mm | 0 |
| March | 0 | -2° / 28°F | -11° / 12°F | 60 mm | 1 |
| April | 0 | 4° / 39°F | -3° / 27°F | 76 mm | 2 |
| May | 18 | 11° / 52°F | 4° / 39°F | 78 mm | 3 |
| June | 47 | 16° / 61°F | 8° / 46°F | 92 mm | 4 |
| July | 53 | 18° / 64°F | 11° / 52°F | 127 mm | 4 |
| August | 45 | 17° / 63°F | 10° / 50°F | 143 mm | 3 |
| September | 20 | 12° / 54°F | 5° / 41°F | 158 mm | 2 |
| October | 0 | 5° / 41°F | -1° / 30°F | 133 mm | 1 |
| November | 0 | -3° / 27°F | -9° / 16°F | 107 mm | 0 |
| December | 0 | -5° / 23°F | -12° / 10°F | 101 mm | 0 |
Nearest destinations
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Iliamna: questions and answers
What kind of destination is Iliamna?
Iliamna is a small town in United States with a subarctic climate.
How many hours of sunshine does Iliamna get a year?
Iliamna gets about 1,458 hours of sunshine a year, at its best around July.
When is the best time to visit Iliamna?
The sunniest time to visit Iliamna is July, when the Sunshine Score peaks at 53/100 (with June and August close behind). Expect daytime highs around 18°C / 64°F.
What is the least sunny month in Iliamna?
January is the least sunny month in Iliamna, scoring 0/100 with about 78 mm of rain.
How strong is the sun in Iliamna?
The typical midday UV index in Iliamna peaks around 4 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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