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Lake Louise vs Reykjavík
Comparing Lake Louise change · Reykjavík change
Reykjavík is the warmer of the two — about 4°F on the annual average; Reykjavík is the wetter, with 35 in more rain a year, and Lake Louise the sunnier.
How the seasons compare
The differences between Lake Louise and Reykjavík, in everyday terms.
Summers
Lake Louise has far hotter summers
Lake Louise: Mild
Reykjavík: Cool
Winters
Reykjavík has much milder winters
Lake Louise: Very cold
Reykjavík: Cold
Rain & snow
Reykjavík is much wetter
Lake Louise: Fairly dry
Reykjavík: Wet
Sky
Lake Louise is sunnier
Lake Louise: Often cloudy
Reykjavík: Often grey
Month-by-month charts
Temperature
Reykjavík is the warmer of the two — about 4°F on the annual average.
Precipitation
Reykjavík is the wetter — about 35 in more across the year.
Clear skies
Lake Louise has the clearer skies — the higher line.
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 (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Louise | 26 | 31 | 38 | 48 | 57 | 64 | 73 | 72 | 62 | 48 | 33 | 24 |
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 | 57 | 56 | 52 | 45 | 40 | 38 |
| Difference | +12 | +7 | +1 | -4 | -9 | -10 | -16 | -16 | -10 | -3 | +7 | +15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lake Louise | 26 | 31 | 38 | 48 | 57 | 64 |
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 |
| Difference | +12 | +7 | +1 | -4 | -9 | -10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lake Louise | 73 | 72 | 62 | 48 | 33 | 24 |
| Reykjavík | 57 | 56 | 52 | 45 | 40 | 38 |
| Difference | -16 | -16 | -10 | -3 | +7 | +15 |
Avg low (°F) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Louise | 8 | 9 | 17 | 25 | 32 | 40 | 44 | 42 | 36 | 28 | 18 | 8 |
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 | 47 | 47 | 43 | 37 | 32 | 31 |
| Difference | +22 | +19 | +12 | +9 | +7 | +4 | +3 | +5 | +8 | +9 | +15 | +23 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lake Louise | 8 | 9 | 17 | 25 | 32 | 40 |
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 |
| Difference | +22 | +19 | +12 | +9 | +7 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lake Louise | 44 | 42 | 36 | 28 | 18 | 8 |
| Reykjavík | 47 | 47 | 43 | 37 | 32 | 31 |
| Difference | +3 | +5 | +8 | +9 | +15 | +23 |
Precipitation (in) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Louise | 0.8 | 0.8 | 1.2 | 1.5 | 2 | 2.8 | 1.5 | 1.7 | 1.8 | 1.3 | 1.2 | 1 |
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Difference | +4.4 | +4.2 | +3.1 | +1.4 | +1.7 | -0.8 | +2.2 | +3.6 | +3.2 | +3.2 | +4.7 | +3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lake Louise | 0.8 | 0.8 | 1.2 | 1.5 | 2 | 2.8 |
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 |
| Difference | +4.4 | +4.2 | +3.1 | +1.4 | +1.7 | -0.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lake Louise | 1.5 | 1.7 | 1.8 | 1.3 | 1.2 | 1 |
| Reykjavík | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Difference | +2.2 | +3.6 | +3.2 | +3.2 | +4.7 | +3.9 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Louise | — | — | — | — | — | — | — | — | — | — | — | — |
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 | 0 | 0 | 0 | 0.4 | 8.2 | 11.9 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lake Louise | — | — | — | — | — | — |
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lake Louise | — | — | — | — | — | — |
| Reykjavík | 0 | 0 | 0 | 0.4 | 8.2 | 11.9 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Louise | 68 | 67 | 68 | 71 | 71 | 70 | 58 | 58 | 61 | 67 | 68 | 65 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +17 | +15 | +13 | +8 | +5 | +9 | +23 | +22 | +18 | +11 | +14 | +19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lake Louise | 68 | 67 | 68 | 71 | 71 | 70 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Difference | +17 | +15 | +13 | +8 | +5 | +9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lake Louise | 58 | 58 | 61 | 67 | 68 | 65 |
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +23 | +22 | +18 | +11 | +14 | +19 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Louise | 96 | 96 | 95 | 89 | 76 | 75 | 72 | 71 | 74 | 83 | 94 | 96 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | -8 | -9 | -9 | -5 | +7 | +8 | +13 | +15 | +12 | +5 | -6 | -8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Lake Louise | 96 | 96 | 95 | 89 | 76 | 75 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Difference | -8 | -9 | -9 | -5 | +7 | +8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Lake Louise | 72 | 71 | 74 | 83 | 94 | 96 |
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | +13 | +15 | +12 | +5 | -6 | -8 |
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. Lake Louise trends → · Reykjavík trends →
Methodology & sources
Lake Louise
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Banff CS, a weather station, about 51 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.
Reykjavík
Temperature & precipitation — 1991–2020 normals computed from 11 years of daily observations at Keflavik, a weather station, about 39 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.
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