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Reykjavík vs Saint Petersburg
Comparing Reykjavík change · Saint Petersburg change
Saint Petersburg is the warmer of the two — about 3°F on the annual average; Reykjavík is the wetter, with 26 in more rain a year, and Saint Petersburg the sunnier.
How the seasons compare
The differences between Reykjavík and Saint Petersburg, in everyday terms.
Summers
Saint Petersburg has far hotter summers
Reykjavík: Cool
Saint Petersburg: Mild
Winters
Reykjavík has much milder winters
Reykjavík: Cold
Saint Petersburg: Very cold
Rain & snow
Reykjavík is wetter
Reykjavík: Wet
Saint Petersburg: Moderate rainfall
Sky
Saint Petersburg is sunnier
Reykjavík: Often grey
Saint Petersburg: Often cloudy
Month-by-month charts
Temperature
Saint Petersburg is the warmer of the two — about 3°F on the annual average.
Precipitation
Reykjavík is the wetter — about 26 in more across the year.
Clear skies
Saint Petersburg 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 | 57 | 56 | 52 | 45 | 40 | 38 |
| Saint Petersburg | 27 | 27 | 36 | 49 | 61 | 69 | 74 | 71 | 60 | 47 | 37 | 31 |
| Difference | -10 | -10 | -2 | +6 | +13 | +15 | +17 | +15 | +9 | +2 | -4 | -8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 38 | 37 | 38 | 44 | 49 | 54 |
| Saint Petersburg | 27 | 27 | 36 | 49 | 61 | 69 |
| Difference | -10 | -10 | -2 | +6 | +13 | +15 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 57 | 56 | 52 | 45 | 40 | 38 |
| Saint Petersburg | 74 | 71 | 60 | 47 | 37 | 31 |
| Difference | +17 | +15 | +9 | +2 | -4 | -8 |
Avg low (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 | 47 | 47 | 43 | 37 | 32 | 31 |
| Saint Petersburg | 19 | 18 | 25 | 35 | 45 | 54 | 60 | 57 | 49 | 39 | 30 | 23 |
| Difference | -11 | -10 | -4 | +1 | +6 | +10 | +12 | +10 | +5 | +2 | -2 | -7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 29 | 28 | 29 | 34 | 39 | 44 |
| Saint Petersburg | 19 | 18 | 25 | 35 | 45 | 54 |
| Difference | -11 | -10 | -4 | +1 | +6 | +10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 47 | 47 | 43 | 37 | 32 | 31 |
| Saint Petersburg | 60 | 57 | 49 | 39 | 30 | 23 |
| Difference | +12 | +10 | +5 | +2 | -2 | -7 |
Precipitation (in) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Saint Petersburg | 1.8 | 1.4 | 1.4 | 1.5 | 1.8 | 2.7 | 3.3 | 3.4 | 2.3 | 2.5 | 2.2 | 2 |
| Difference | -3.4 | -3.6 | -2.9 | -1.5 | -1.8 | +0.7 | -0.5 | -1.9 | -2.8 | -2 | -3.7 | -2.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 5.2 | 5 | 4.3 | 3 | 3.7 | 2 |
| Saint Petersburg | 1.8 | 1.4 | 1.4 | 1.5 | 1.8 | 2.7 |
| Difference | -3.4 | -3.6 | -2.9 | -1.5 | -1.8 | +0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 3.8 | 5.3 | 5 | 4.5 | 5.9 | 4.9 |
| Saint Petersburg | 3.3 | 3.4 | 2.3 | 2.5 | 2.2 | 2 |
| Difference | -0.5 | -1.9 | -2.8 | -2 | -3.7 | -2.9 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 | 0 | 0 | 0 | 0.4 | 8.2 | 11.9 |
| Saint Petersburg | — | — | — | — | — | — | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 10.8 | 15.8 | 11.4 | 4.6 | 0.4 | 0 |
| Saint Petersburg | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 0 | 0 | 0 | 0.4 | 8.2 | 11.9 |
| Saint Petersburg | — | — | — | — | — | — |
| 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 |
| Saint Petersburg | 75 | 72 | 65 | 66 | 63 | 65 | 64 | 63 | 70 | 76 | 76 | 78 |
| Difference | -10 | -10 | -16 | -13 | -13 | -14 | -17 | -17 | -9 | -2 | -5 | -6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Saint Petersburg | 75 | 72 | 65 | 66 | 63 | 65 |
| Difference | -10 | -10 | -16 | -13 | -13 | -14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Saint Petersburg | 64 | 63 | 70 | 76 | 76 | 78 |
| Difference | -17 | -17 | -9 | -2 | -5 | -6 |
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 |
| Saint Petersburg | 97 | 97 | 93 | 85 | 78 | 79 | 81 | 82 | 86 | 91 | 95 | 97 |
| Difference | +10 | +10 | +7 | — | -5 | -4 | -4 | -4 | -1 | +4 | +7 | +9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Saint Petersburg | 97 | 97 | 93 | 85 | 78 | 79 |
| Difference | +10 | +10 | +7 | — | -5 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Saint Petersburg | 81 | 82 | 86 | 91 | 95 | 97 |
| Difference | -4 | -4 | -1 | +4 | +7 | +9 |
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 → · Saint Petersburg trends →
Reykjavík is projected to shift from Cfc to Cfb by the 2071–2099 window (SSP2-4.5).
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.
Saint Petersburg
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at St. Petersburg, a weather station, about 3 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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