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Zermatt vs Reykjavík
Comparing Zermatt change · Reykjavík change
Zermatt and Reykjavík have nearly identical year-round temperatures; Reykjavík is the wetter, with 691 mm more rain a year, and Zermatt the sunnier.
How the seasons compare
The differences between Zermatt and Reykjavík, in everyday terms.
Summers
Zermatt has much hotter summers
Zermatt: Mild
Reykjavík: Cool
Winters
Reykjavík has much milder winters
Zermatt: Very cold
Reykjavík: Cold
Rain & snow
Reykjavík is wetter
Zermatt: Moderate rainfall
Reykjavík: Wet
Sky
Zermatt is sunnier
Zermatt: Often cloudy
Reykjavík: Often grey
Month-by-month charts
Temperature
Zermatt and Reykjavík run remarkably close all year.
Precipitation
Reykjavík is the wetter — about 691 mm more across the year.
Clear skies
Zermatt 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 (°C) Zermatt runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zermatt | 1 | 2 | 6 | 10 | 14 | 18 | 20 | 20 | 15 | 11 | 5 | 2 |
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 | 14 | 13 | 11 | 7 | 5 | 4 |
| Difference | +2 | +1 | -2 | -3 | -5 | -6 | -6 | -6 | -4 | -4 | -1 | +2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Zermatt | 1 | 2 | 6 | 10 | 14 | 18 |
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 |
| Difference | +2 | +1 | -2 | -3 | -5 | -6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Zermatt | 20 | 20 | 15 | 11 | 5 | 2 |
| Reykjavík | 14 | 13 | 11 | 7 | 5 | 4 |
| Difference | -6 | -6 | -4 | -4 | -1 | +2 |
Avg low (°C) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zermatt | -7 | -7 | -4 | -1 | 3 | 7 | 8 | 8 | 5 | 1 | -3 | -6 |
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 | 9 | 9 | 6 | 3 | 0 | -1 |
| Difference | +6 | +5 | +2 | +2 | +1 | — | — | — | +1 | +1 | +3 | +6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Zermatt | -7 | -7 | -4 | -1 | 3 | 7 |
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 |
| Difference | +6 | +5 | +2 | +2 | +1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Zermatt | 8 | 8 | 5 | 1 | -3 | -6 |
| Reykjavík | 9 | 9 | 6 | 3 | 0 | -1 |
| Difference | — | — | +1 | +1 | +3 | +6 |
Precipitation (mm) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zermatt | 42 | 30 | 33 | 40 | 77 | 70 | 59 | 68 | 51 | 57 | 65 | 47 |
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 | 95 | 135 | 128 | 114 | 149 | 123 |
| Difference | +91 | +97 | +76 | +36 | +15 | -20 | +36 | +66 | +76 | +57 | +84 | +76 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Zermatt | 42 | 30 | 33 | 40 | 77 | 70 |
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 |
| Difference | +91 | +97 | +76 | +36 | +15 | -20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Zermatt | 59 | 68 | 51 | 57 | 65 | 47 |
| Reykjavík | 95 | 135 | 128 | 114 | 149 | 123 |
| Difference | +36 | +66 | +76 | +57 | +84 | +76 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zermatt | — | — | — | — | — | — | — | — | — | — | — | — |
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 | 0 | 0 | 0 | 1 | 21 | 30 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Zermatt | — | — | — | — | — | — |
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Zermatt | — | — | — | — | — | — |
| Reykjavík | 0 | 0 | 0 | 1 | 21 | 30 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zermatt | 68 | 69 | 68 | 69 | 72 | 65 | 59 | 59 | 61 | 66 | 71 | 71 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +17 | +14 | +13 | +10 | +4 | +14 | +22 | +21 | +18 | +11 | +10 | +13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Zermatt | 68 | 69 | 68 | 69 | 72 | 65 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Difference | +17 | +14 | +13 | +10 | +4 | +14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Zermatt | 59 | 59 | 61 | 66 | 71 | 71 |
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +22 | +21 | +18 | +11 | +10 | +13 |
Relative humidity (%) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zermatt | 83 | 83 | 86 | 82 | 78 | 75 | 74 | 75 | 78 | 80 | 85 | 83 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | +5 | +4 | — | +2 | +5 | +8 | +10 | +11 | +8 | +8 | +3 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Zermatt | 83 | 83 | 86 | 82 | 78 | 75 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Difference | +5 | +4 | — | +2 | +5 | +8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Zermatt | 74 | 75 | 78 | 80 | 85 | 83 |
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | +10 | +11 | +8 | +8 | +3 | +4 |
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. Zermatt trends → · Reykjavík trends →
Methodology & sources
Zermatt
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Zermatt, about 1 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.
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.
← change Zermatt · change Reykjavík → · Zermatt page · Reykjavík page