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Berlin vs Boulder
Comparing Berlin change · Boulder change
Berlin and Boulder have nearly identical year-round temperatures; Berlin is the wetter, with 210 mm more rain a year, and Boulder the sunnier.
How the seasons compare
The differences between Berlin and Boulder, in everyday terms.
Summers
Boulder has much hotter summers
Berlin: Mild
Boulder: Hot
Winters
Berlin has much milder winters
Berlin: Cold
Boulder: Very cold
Rain & snow
Berlin is wetter
Berlin: Moderate rainfall
Boulder: Fairly dry
Sky
Boulder is sunnier
Berlin: Often cloudy
Boulder: Partly cloudy
Month-by-month charts
Temperature
Berlin and Boulder run remarkably close all year.
Precipitation
Berlin is the wetter — about 210 mm more across the year.
Clear skies
Boulder 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) Boulder runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlin | 4 | 5 | 9 | 15 | 20 | 23 | 25 | 25 | 20 | 14 | 8 | 4 |
| Boulder | 7 | 8 | 13 | 17 | 22 | 29 | 32 | 31 | 27 | 19 | 12 | 7 |
| Difference | +3 | +3 | +4 | +2 | +3 | +6 | +7 | +6 | +7 | +5 | +4 | +2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Berlin | 4 | 5 | 9 | 15 | 20 | 23 |
| Boulder | 7 | 8 | 13 | 17 | 22 | 29 |
| Difference | +3 | +3 | +4 | +2 | +3 | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Berlin | 25 | 25 | 20 | 14 | 8 | 4 |
| Boulder | 32 | 31 | 27 | 19 | 12 | 7 |
| Difference | +7 | +6 | +7 | +5 | +4 | +2 |
Avg low (°C) Berlin runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlin | -1 | -1 | 1 | 5 | 9 | 13 | 15 | 15 | 11 | 7 | 3 | -0 |
| Boulder | -9 | -8 | -3 | 1 | 6 | 11 | 15 | 14 | 9 | 2 | -4 | -9 |
| Difference | -7 | -7 | -4 | -4 | -3 | -1 | -1 | -1 | -2 | -5 | -7 | -9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Berlin | -1 | -1 | 1 | 5 | 9 | 13 |
| Boulder | -9 | -8 | -3 | 1 | 6 | 11 |
| Difference | -7 | -7 | -4 | -4 | -3 | -1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Berlin | 15 | 15 | 11 | 7 | 3 | -0 |
| Boulder | 15 | 14 | 9 | 2 | -4 | -9 |
| Difference | -1 | -1 | -2 | -5 | -7 | -9 |
Precipitation (mm) Berlin runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlin | 48 | 36 | 40 | 29 | 51 | 58 | 72 | 58 | 47 | 44 | 42 | 44 |
| Boulder | 11 | 11 | 25 | 45 | 60 | 36 | 44 | 45 | 30 | 26 | 18 | 9 |
| Difference | -37 | -25 | -16 | +16 | +8 | -23 | -28 | -13 | -17 | -18 | -24 | -35 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Berlin | 48 | 36 | 40 | 29 | 51 | 58 |
| Boulder | 11 | 11 | 25 | 45 | 60 | 36 |
| Difference | -37 | -25 | -16 | +16 | +8 | -23 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Berlin | 72 | 58 | 47 | 44 | 42 | 44 |
| Boulder | 44 | 45 | 30 | 26 | 18 | 9 |
| Difference | -28 | -13 | -17 | -18 | -24 | -35 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlin | — | — | — | — | — | — | — | — | — | — | — | — |
| Boulder | 13 | 13 | 15 | 8 | 1 | 0 | 0 | 0 | 1 | 8 | 15 | 13 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Berlin | — | — | — | — | — | — |
| Boulder | 13 | 13 | 15 | 8 | 1 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Berlin | — | — | — | — | — | — |
| Boulder | 0 | 0 | 1 | 8 | 15 | 13 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Berlin runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlin | 74 | 73 | 72 | 64 | 67 | 69 | 67 | 67 | 66 | 70 | 75 | 76 |
| Boulder | 57 | 57 | 56 | 59 | 58 | 49 | 50 | 50 | 43 | 46 | 51 | 55 |
| Difference | -17 | -17 | -15 | -6 | -9 | -20 | -17 | -16 | -23 | -23 | -24 | -20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Berlin | 74 | 73 | 72 | 64 | 67 | 69 |
| Boulder | 57 | 57 | 56 | 59 | 58 | 49 |
| Difference | -17 | -17 | -15 | -6 | -9 | -20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Berlin | 67 | 67 | 66 | 70 | 75 | 76 |
| Boulder | 50 | 50 | 43 | 46 | 51 | 55 |
| Difference | -17 | -16 | -23 | -23 | -24 | -20 |
Relative humidity (%) Berlin runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Berlin | 93 | 90 | 85 | 78 | 73 | 66 | 65 | 65 | 72 | 82 | 92 | 94 |
| Boulder | 56 | 56 | 52 | 50 | 50 | 42 | 43 | 44 | 43 | 47 | 52 | 57 |
| Difference | -38 | -35 | -33 | -27 | -23 | -24 | -22 | -21 | -29 | -35 | -40 | -38 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Berlin | 93 | 90 | 85 | 78 | 73 | 66 |
| Boulder | 56 | 56 | 52 | 50 | 50 | 42 |
| Difference | -38 | -35 | -33 | -27 | -23 | -24 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Berlin | 65 | 65 | 72 | 82 | 92 | 94 |
| Boulder | 43 | 44 | 43 | 47 | 52 | 57 |
| Difference | -22 | -21 | -29 | -35 | -40 | -38 |
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. Berlin trends → · Boulder trends →
Berlin is projected to shift from Cfb to Cfa by the 2071–2099 window (SSP2-4.5); Boulder from Cfa to BSk.
Methodology & sources
Berlin
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Berlin-tempelhof, 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.
Boulder
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Brighton 3 SE (NOAA GHCN station USC00050950), about 38 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.
← change Berlin · change Boulder → · Berlin page · Boulder page