Weather in Anchorage in June
United States · 20-year averages, June
Shoulder season. June is shoulder season in Anchorage — cheaper, quieter, and a genuine gamble. Highs average 16 °C, lows 9.2 °C, and rain falls on 14 days — nothing in the month is working against you.
June ranks 2 of 12 in Anchorage. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.
This is persistent light rain rather than storms: 14 wet days but only 1 heavy ones. It rarely cancels anything outright, and it rarely fully clears either. A jacket beats an umbrella. Pack for 16 °C days and 9.2 °C nights; the spread matters more here than any single number.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest June day reached 27.7 °C and the coldest night fell to 4.3 °C.
June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 112 mm against 19 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 59 mm average is a reasonable planning figure, not a promise.
Wind is light at 4.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 79%, high enough to notice on the warm days without dominating them.
How June sits in the year
The month is on the way up: 4.6 °C warmer than May, and July adds another 2.3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in June
June is at or near the longest days of Anchorage's year: 19.3 hours of daylight, gaining 0.7 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
With no coast nearby, the year swings a fair way — 27 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Peak season. Expect the highest prices of the year and to be booking well ahead.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Anchorage versus nearby
If Anchorage is one option among several, the nearby comparison is worth making. Prince George is a better bet in June — 3.6 °C warmer, 1 day less rain. Tofino is close enough to be a coin toss — within a degree on temperature, 1 day less rain.
So: June is effectively as good as it gets here — 3 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.
Every month in Anchorage
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | -4.6 | -8.7 | 13 | 53 | 92 | 6.3 | 16 |
| February | -2.3 | -7.6 | 12 | 51 | 91 | 9 | 18 |
| March | -0.8 | -7.1 | 10 | 39 | 88 | 11.6 | 23 |
| April | 4.7 | -0.9 | 9 | 38 | 82 | 14.6 | 30 |
| May | 11.4 | 4.6 | 11 | 47 | 78 | 17.4 | 53 |
| June | 16 | 9.2 | 14 | 59 | 79 | 19.3 | 63 |
| July | 18.3 | 11.9 | 16 | 83 | 81 | 18.5 | 66 |
| August | 17.4 | 11.4 | 17 | 110 | 82 | 16 | 59 |
| September | 12.8 | 7.5 | 17 | 118 | 84 | 13 | 44 |
| October | 6 | 1.8 | 16 | 87 | 88 | 10.2 | 27 |
| November | -1.5 | -5.6 | 14 | 71 | 92 | 7.4 | 18 |
| December | -3.4 | -7.4 | 16 | 64 | 93 | 5.5 | 12 |
See all twelve months in Anchorage, or where else to go in June.
Planning the rest of the trip
- Flight time to Anchorage how long you are actually in the air
- Anchorage time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Anchorage keep training while you are there