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Prague vs Reykjavík
Comparing Prague change · Reykjavík change
Prague is the warmer of the two — about 9°F on the annual average; Reykjavík is the wetter, with 29 in more rain a year, and Prague the sunnier.
How the seasons compare
The differences between Prague and Reykjavík, in everyday terms.
Summers
Prague has far hotter summers
Prague: Mild
Reykjavík: Cool
Winters
Winters are similar
Prague: Cold
Reykjavík: Cold
Rain & snow
Reykjavík is much wetter
Prague: Moderate rainfall
Reykjavík: Wet
Sky
Prague is sunnier
Prague: Often cloudy
Reykjavík: Often grey
Month-by-month charts
Temperature
Prague is the warmer of the two — about 9°F on the annual average.
Precipitation
Reykjavík is the wetter — about 29 in more across the year.
Clear skies
Prague 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) Prague runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague | 36 | 40 | 48 | 59 | 68 | 73 | 77 | 77 | 67 | 57 | 45 | 37 |
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 | 57 | 56 | 52 | 45 | 40 | 38 |
| Difference | +1 | -2 | -10 | -16 | -19 | -19 | -20 | -21 | -16 | -12 | -4 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Prague | 36 | 40 | 48 | 59 | 68 | 73 |
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 |
| Difference | +1 | -2 | -10 | -16 | -19 | -19 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Prague | 77 | 77 | 67 | 57 | 45 | 37 |
| Reykjavík | 57 | 56 | 52 | 45 | 40 | 38 |
| Difference | -20 | -21 | -16 | -12 | -4 | +1 |
Avg low (°F) Prague runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague | 27 | 27 | 32 | 40 | 47 | 53 | 57 | 56 | 49 | 41 | 34 | 28 |
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 | 47 | 47 | 43 | 37 | 32 | 31 |
| Difference | +3 | +1 | -3 | -6 | -8 | -10 | -9 | -8 | -5 | -4 | -2 | +3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Prague | 27 | 27 | 32 | 40 | 47 | 53 |
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 |
| Difference | +3 | +1 | -3 | -6 | -8 | -10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Prague | 57 | 56 | 49 | 41 | 34 | 28 |
| Reykjavík | 47 | 47 | 43 | 37 | 32 | 31 |
| Difference | -9 | -8 | -5 | -4 | -2 | +3 |
Precipitation (in) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague | 1.7 | 1.6 | 1.2 | 1.4 | 2.8 | 3.4 | 2.9 | 2.8 | 1.8 | 1.5 | 1.1 | 1 |
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Difference | +3.5 | +3.4 | +3.1 | +1.6 | +0.9 | -1.4 | +0.8 | +2.5 | +3.2 | +3 | +4.8 | +3.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Prague | 1.7 | 1.6 | 1.2 | 1.4 | 2.8 | 3.4 |
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 |
| Difference | +3.5 | +3.4 | +3.1 | +1.6 | +0.9 | -1.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Prague | 2.9 | 2.8 | 1.8 | 1.5 | 1.1 | 1 |
| Reykjavík | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Difference | +0.8 | +2.5 | +3.2 | +3 | +4.8 | +3.8 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 |
|---|---|---|---|---|---|---|
| Prague | — | — | — | — | — | — |
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Prague | — | — | — | — | — | — |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague | 77 | 75 | 73 | 67 | 69 | 71 | 68 | 65 | 66 | 73 | 77 | 77 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +7 | +7 | +8 | +12 | +7 | +9 | +13 | +14 | +13 | +5 | +4 | +7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Prague | 77 | 75 | 73 | 67 | 69 | 71 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Difference | +7 | +7 | +8 | +12 | +7 | +9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Prague | 68 | 65 | 66 | 73 | 77 | 77 |
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +13 | +14 | +13 | +5 | +4 | +7 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague | 92 | 89 | 83 | 76 | 72 | 68 | 64 | 64 | 71 | 81 | 90 | 93 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | -5 | -2 | +4 | +8 | +11 | +16 | +21 | +22 | +15 | +6 | -3 | -5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Prague | 92 | 89 | 83 | 76 | 72 | 68 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Difference | -5 | -2 | +4 | +8 | +11 | +16 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Prague | 64 | 64 | 71 | 81 | 90 | 93 |
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | +21 | +22 | +15 | +6 | -3 | -5 |
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. Prague trends → · Reykjavík trends →
Prague is projected to shift from Cfb to Cfa by the 2071–2099 window (SSP2-4.5); Reykjavík from Cfc to Cfb.
Methodology & sources
Prague
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Praha-libus, a weather station, about 10 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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