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Brussels vs Reykjavík
Comparing Brussels change · Reykjavík change
Brussels is the warmer of the two — about 6°C on the annual average; Reykjavík is the wetter, with 526 mm more rain a year, and Brussels the sunnier.
How the seasons compare
The differences between Brussels and Reykjavík, in everyday terms.
Summers
Brussels has far hotter summers
Brussels: Mild
Reykjavík: Cool
Winters
Brussels has milder winters
Brussels: Chilly
Reykjavík: Cold
Rain & snow
Reykjavík is wetter
Brussels: Moderate rainfall
Reykjavík: Wet
Sky
Brussels is sunnier
Brussels: Often cloudy
Reykjavík: Often grey
Month-by-month charts
Temperature
Brussels is the warmer of the two — about 6°C on the annual average.
Precipitation
Reykjavík is the wetter — about 526 mm more across the year.
Clear skies
Brussels 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) Brussels runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussels | 6 | 7 | 11 | 15 | 19 | 21 | 23 | 23 | 20 | 15 | 10 | 6 |
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 | 14 | 13 | 11 | 7 | 5 | 4 |
| Difference | -3 | -4 | -8 | -9 | -9 | -9 | -9 | -10 | -9 | -8 | -5 | -3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Brussels | 6 | 7 | 11 | 15 | 19 | 21 |
| Reykjavík | 3 | 3 | 4 | 6 | 9 | 12 |
| Difference | -3 | -4 | -8 | -9 | -9 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Brussels | 23 | 23 | 20 | 15 | 10 | 6 |
| Reykjavík | 14 | 13 | 11 | 7 | 5 | 4 |
| Difference | -9 | -10 | -9 | -8 | -5 | -3 |
Avg low (°C) Brussels runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussels | 1 | 1 | 3 | 6 | 9 | 12 | 14 | 14 | 11 | 8 | 4 | 2 |
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 | 9 | 9 | 6 | 3 | 0 | -1 |
| Difference | -3 | -4 | -5 | -5 | -5 | -5 | -6 | -5 | -5 | -5 | -4 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Brussels | 1 | 1 | 3 | 6 | 9 | 12 |
| Reykjavík | -1 | -2 | -2 | 1 | 4 | 7 |
| Difference | -3 | -4 | -5 | -5 | -5 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Brussels | 14 | 14 | 11 | 8 | 4 | 2 |
| Reykjavík | 9 | 9 | 6 | 3 | 0 | -1 |
| Difference | -6 | -5 | -5 | -5 | -4 | -2 |
Precipitation (mm) Reykjavík runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussels | 70 | 56 | 56 | 44 | 61 | 79 | 72 | 82 | 62 | 67 | 66 | 89 |
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 | 95 | 135 | 128 | 114 | 149 | 123 |
| Difference | +63 | +70 | +53 | +32 | +32 | -29 | +23 | +52 | +65 | +47 | +83 | +34 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Brussels | 70 | 56 | 56 | 44 | 61 | 79 |
| Reykjavík | 133 | 127 | 109 | 75 | 93 | 50 |
| Difference | +63 | +70 | +53 | +32 | +32 | -29 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Brussels | 72 | 82 | 62 | 67 | 66 | 89 |
| Reykjavík | 95 | 135 | 128 | 114 | 149 | 123 |
| Difference | +23 | +52 | +65 | +47 | +83 | +34 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussels | — | — | — | — | — | — | — | — | — | — | — | — |
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 | 0 | 0 | 0 | 1 | 21 | 30 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Brussels | — | — | — | — | — | — |
| Reykjavík | 28 | 40 | 29 | 12 | 1 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Brussels | — | — | — | — | — | — |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussels | 73 | 72 | 71 | 68 | 70 | 71 | 68 | 67 | 66 | 71 | 75 | 74 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +12 | +10 | +11 | +11 | +6 | +9 | +13 | +13 | +13 | +7 | +7 | +10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Brussels | 73 | 72 | 71 | 68 | 70 | 71 |
| Reykjavík | 85 | 82 | 82 | 79 | 76 | 79 |
| Difference | +12 | +10 | +11 | +11 | +6 | +9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Brussels | 68 | 67 | 66 | 71 | 75 | 74 |
| Reykjavík | 81 | 79 | 79 | 78 | 82 | 84 |
| Difference | +13 | +13 | +13 | +7 | +7 | +10 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussels | 92 | 89 | 84 | 79 | 77 | 76 | 75 | 76 | 80 | 85 | 91 | 93 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | -5 | -2 | +2 | +5 | +6 | +7 | +9 | +10 | +7 | +2 | -4 | -6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Brussels | 92 | 89 | 84 | 79 | 77 | 76 |
| Reykjavík | 88 | 87 | 86 | 84 | 83 | 83 |
| Difference | -5 | -2 | +2 | +5 | +6 | +7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Brussels | 75 | 76 | 80 | 85 | 91 | 93 |
| Reykjavík | 85 | 86 | 86 | 88 | 88 | 88 |
| Difference | +9 | +10 | +7 | +2 | -4 | -6 |
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. Brussels trends → · Reykjavík trends →
Reykjavík from Cfc to Cfb.
Methodology & sources
Brussels
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Uccle, a weather station, about 6 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.
← change Brussels · change Reykjavík → · Brussels page · Reykjavík page