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Reykjavík vs Gdańsk
Comparing Reykjavík change · Gdańsk change
Gdańsk is the warmer of the two — about 4°C on the annual average; Reykjavík is the wetter, with 726 mm more rain a year, and Gdańsk the sunnier.
How the seasons compare
The differences between Reykjavík and Gdańsk, in everyday terms.
Summers
Gdańsk has far hotter summers
Reykjavík: Cool
Gdańsk: Mild
Winters
Winters are similar
Reykjavík: Cold
Gdańsk: Cold
Rain & snow
Reykjavík is wetter
Reykjavík: Wet
Gdańsk: Moderate rainfall
Sky
Gdańsk is sunnier
Reykjavík: Often grey
Gdańsk: Often cloudy
Month-by-month charts
Temperature
Gdańsk is the warmer of the two — about 4°C on the annual average.
Precipitation
Reykjavík is the wetter — about 726 mm more across the year.
Clear skies
Gdańsk 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) Gdańsk runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 | 14 | 13 | 11 | 7 | 5 | 4 |
| Gdańsk | 2 | 3 | 6 | 11 | 16 | 20 | 22 | 22 | 18 | 12 | 7 | 4 |
| Difference | -1 | — | +2 | +5 | +7 | +7 | +8 | +9 | +7 | +5 | +2 | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 |
| Gdańsk | 2 | 3 | 6 | 11 | 16 | 20 |
| Difference | -1 | — | +2 | +5 | +7 | +7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 14 | 13 | 11 | 7 | 5 | 4 |
| Gdańsk | 22 | 22 | 18 | 12 | 7 | 4 |
| Difference | +8 | +9 | +7 | +5 | +2 | — |
Avg low (°C) Gdańsk runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 | 9 | 9 | 6 | 3 | 0 | -1 |
| Gdańsk | -1 | -1 | 0 | 3 | 7 | 11 | 15 | 15 | 12 | 7 | 4 | 0 |
| Difference | — | +1 | +2 | +2 | +3 | +5 | +6 | +6 | +5 | +5 | +3 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 |
| Gdańsk | -1 | -1 | 0 | 3 | 7 | 11 |
| Difference | — | +1 | +2 | +2 | +3 | +5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 9 | 9 | 6 | 3 | 0 | -1 |
| Gdańsk | 15 | 15 | 12 | 7 | 4 | 0 |
| Difference | +6 | +6 | +5 | +5 | +3 | +1 |
Precipitation (mm) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 | 95 | 135 | 128 | 114 | 149 | 123 |
| Gdańsk | 38 | 30 | 32 | 32 | 48 | 54 | 89 | 68 | 61 | 57 | 50 | 46 |
| Difference | -95 | -96 | -77 | -44 | -44 | +4 | -6 | -67 | -66 | -57 | -100 | -77 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 |
| Gdańsk | 38 | 30 | 32 | 32 | 48 | 54 |
| Difference | -95 | -96 | -77 | -44 | -44 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 95 | 135 | 128 | 114 | 149 | 123 |
| Gdańsk | 89 | 68 | 61 | 57 | 50 | 46 |
| Difference | -6 | -67 | -66 | -57 | -100 | -77 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 | 0 | 0 | 0 | 1 | 21 | 30 |
| Gdańsk | — | — | — | — | — | — | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 |
| Gdańsk | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 0 | 0 | 0 | 1 | 21 | 30 |
| Gdańsk | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Gdańsk | 82 | 81 | 75 | 66 | 61 | 63 | 64 | 63 | 66 | 74 | 82 | 81 |
| Difference | -3 | -1 | -7 | -12 | -15 | -16 | -18 | -16 | -13 | -3 | — | -3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Gdańsk | 82 | 81 | 75 | 66 | 61 | 63 |
| Difference | -3 | -1 | -7 | -12 | -15 | -16 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Gdańsk | 64 | 63 | 66 | 74 | 82 | 81 |
| Difference | -18 | -16 | -13 | -3 | — | -3 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Gdańsk | 91 | 89 | 85 | 82 | 80 | 79 | 79 | 77 | 79 | 84 | 90 | 91 |
| Difference | +3 | +2 | -1 | -3 | -3 | -5 | -6 | -8 | -7 | -4 | +2 | +3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Gdańsk | 91 | 89 | 85 | 82 | 80 | 79 |
| Difference | +3 | +2 | -1 | -3 | -3 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Gdańsk | 79 | 77 | 79 | 84 | 90 | 91 |
| Difference | -6 | -8 | -7 | -4 | +2 | +3 |
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. Reykjavík trends → · Gdańsk trends →
Methodology & sources
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.
Gdańsk
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Hel, a weather station, about 30 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 Reykjavík · change Gdańsk → · Reykjavík page · Gdańsk page