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Jasper vs Anchorage
Comparing Jasper change · Anchorage change
Jasper and Anchorage have nearly identical year-round temperatures.
How the seasons compare
The differences between Jasper and Anchorage, in everyday terms.
Summers
Jasper has much hotter summers
Jasper: Mild
Anchorage: Mild
Winters
Anchorage has milder winters
Jasper: Very cold
Anchorage: Very cold
Rain & snow
Similar yearly rainfall
Jasper: Fairly dry
Anchorage: Fairly dry
Sky
Similar amounts of sun
Jasper: Often cloudy
Anchorage: Often cloudy
Month-by-month charts
Temperature
Jasper and Anchorage run remarkably close all year.
Precipitation
Both cities get a similar amount of precipitation across the year.
Clear skies
The two cities see a similar amount of sun.
Exact monthly numbers
Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.
Avg high (°C) Jasper runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasper | -3 | 1 | 4 | 11 | 17 | 20 | 24 | 23 | 18 | 10 | 2 | -4 |
| Anchorage | -5 | -3 | 1 | 7 | 14 | 17 | 19 | 18 | 13 | 6 | -2 | -4 |
| Difference | -2 | -3 | -4 | -4 | -3 | -3 | -5 | -5 | -5 | -4 | -3 | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Jasper | -3 | 1 | 4 | 11 | 17 | 20 |
| Anchorage | -5 | -3 | 1 | 7 | 14 | 17 |
| Difference | -2 | -3 | -4 | -4 | -3 | -3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Jasper | 24 | 23 | 18 | 10 | 2 | -4 |
| Anchorage | 19 | 18 | 13 | 6 | -2 | -4 |
| Difference | -5 | -5 | -5 | -4 | -3 | — |
Avg low (°C) Anchorage runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasper | -15 | -13 | -9 | -4 | 1 | 5 | 7 | 6 | 2 | -2 | -8 | -14 |
| Anchorage | -12 | -9 | -7 | -1 | 4 | 9 | 12 | 11 | 6 | -1 | -8 | -10 |
| Difference | +3 | +4 | +1 | +3 | +4 | +4 | +4 | +5 | +4 | +2 | +1 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Jasper | -15 | -13 | -9 | -4 | 1 | 5 |
| Anchorage | -12 | -9 | -7 | -1 | 4 | 9 |
| Difference | +3 | +4 | +1 | +3 | +4 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Jasper | 7 | 6 | 2 | -2 | -8 | -14 |
| Anchorage | 12 | 11 | 6 | -1 | -8 | -10 |
| Difference | +4 | +5 | +4 | +2 | +1 | +4 |
Precipitation (mm) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasper | 22 | 14 | 21 | 18 | 32 | 55 | 54 | 45 | 33 | 27 | 27 | 17 |
| Anchorage | 19 | 22 | 18 | 11 | 17 | 26 | 46 | 74 | 79 | 46 | 30 | 29 |
| Difference | -3 | +8 | -3 | -7 | -16 | -29 | -7 | +30 | +46 | +19 | +4 | +13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Jasper | 22 | 14 | 21 | 18 | 32 | 55 |
| Anchorage | 19 | 22 | 18 | 11 | 17 | 26 |
| Difference | -3 | +8 | -3 | -7 | -16 | -29 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Jasper | 54 | 45 | 33 | 27 | 27 | 17 |
| Anchorage | 46 | 74 | 79 | 46 | 30 | 29 |
| Difference | -7 | +30 | +46 | +19 | +4 | +13 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasper | — | — | — | — | — | — | — | — | — | — | — | — |
| Anchorage | 31 | 34 | 28 | 10 | 1 | 0 | 0 | 0 | 1 | 14 | 32 | 46 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Jasper | — | — | — | — | — | — |
| Anchorage | 31 | 34 | 28 | 10 | 1 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Jasper | — | — | — | — | — | — |
| Anchorage | 0 | 0 | 1 | 14 | 32 | 46 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Jasper runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasper | 70 | 68 | 74 | 73 | 73 | 78 | 67 | 64 | 67 | 75 | 76 | 70 |
| Anchorage | 62 | 64 | 55 | 62 | 69 | 70 | 74 | 71 | 70 | 67 | 64 | 69 |
| Difference | -7 | -4 | -18 | -11 | -4 | -8 | +7 | +8 | +3 | -9 | -12 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Jasper | 70 | 68 | 74 | 73 | 73 | 78 |
| Anchorage | 62 | 64 | 55 | 62 | 69 | 70 |
| Difference | -7 | -4 | -18 | -11 | -4 | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Jasper | 67 | 64 | 67 | 75 | 76 | 70 |
| Anchorage | 74 | 71 | 70 | 67 | 64 | 69 |
| Difference | +7 | +8 | +3 | -9 | -12 | -2 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jasper | 94 | 93 | 90 | 83 | 73 | 73 | 73 | 74 | 77 | 82 | 91 | 94 |
| Anchorage | 92 | 91 | 89 | 83 | 78 | 78 | 81 | 82 | 84 | 88 | 92 | 93 |
| Difference | -2 | -2 | -1 | — | +5 | +5 | +8 | +8 | +7 | +5 | +1 | -1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Jasper | 94 | 93 | 90 | 83 | 73 | 73 |
| Anchorage | 92 | 91 | 89 | 83 | 78 | 78 |
| Difference | -2 | -2 | -1 | — | +5 | +5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Jasper | 73 | 74 | 77 | 82 | 91 | 94 |
| Anchorage | 81 | 82 | 84 | 88 | 92 | 93 |
| Difference | +8 | +8 | +7 | +5 | +1 | -1 |
How both climates are changing
Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Jasper trends → · Anchorage trends →
Methodology & sources
Jasper
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Jasper Warden, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
Anchorage
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Anchorage Ted Stevens Intl AP (NOAA GHCN station USW00026451), about 9 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
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