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Karuizawa vs Bergen
Comparing Karuizawa change · Bergen change
Karuizawa is the warmer of the two — about 1°C on the annual average; Bergen is the wetter, with 1481 mm more rain a year, and Karuizawa the sunnier.
How the seasons compare
The differences between Karuizawa and Bergen, in everyday terms.
Summers
Karuizawa has far hotter summers
Karuizawa: Warm
Bergen: Mild
Winters
Bergen has much milder winters
Karuizawa: Very cold
Bergen: Chilly
Rain & snow
Bergen is much wetter
Karuizawa: Moderate rainfall
Bergen: Very wet
Sky
Karuizawa is sunnier
Karuizawa: Often cloudy
Bergen: Often grey
Month-by-month charts
Temperature
Karuizawa is the warmer of the two — about 1°C on the annual average.
Precipitation
Bergen is the wetter — about 1481 mm more across the year.
Clear skies
Karuizawa 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) Karuizawa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 2 | 4 | 8 | 15 | 20 | 23 | 27 | 28 | 23 | 17 | 12 | 6 |
| Bergen | 5 | 5 | 7 | 11 | 15 | 18 | 20 | 19 | 16 | 12 | 8 | 5 |
| Difference | +2 | +1 | -1 | -4 | -5 | -5 | -7 | -8 | -7 | -5 | -4 | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 2 | 4 | 8 | 15 | 20 | 23 |
| Bergen | 5 | 5 | 7 | 11 | 15 | 18 |
| Difference | +2 | +1 | -1 | -4 | -5 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 27 | 28 | 23 | 17 | 12 | 6 |
| Bergen | 20 | 19 | 16 | 12 | 8 | 5 |
| Difference | -7 | -8 | -7 | -5 | -4 | — |
Avg low (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | -7 | -7 | -4 | 2 | 8 | 13 | 17 | 18 | 13 | 7 | 1 | -4 |
| Bergen | 1 | 0 | 1 | 4 | 7 | 10 | 12 | 12 | 10 | 6 | 3 | 1 |
| Difference | +8 | +7 | +5 | +2 | -1 | -3 | -5 | -5 | -4 | -1 | +2 | +5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | -7 | -7 | -4 | 2 | 8 | 13 |
| Bergen | 1 | 0 | 1 | 4 | 7 | 10 |
| Difference | +8 | +7 | +5 | +2 | -1 | -3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 17 | 18 | 13 | 7 | 1 | -4 |
| Bergen | 12 | 12 | 10 | 6 | 3 | 1 |
| Difference | -5 | -5 | -4 | -1 | +2 | +5 |
Precipitation (mm) Bergen runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 32 | 33 | 61 | 62 | 87 | 120 | 156 | 122 | 146 | 118 | 47 | 28 |
| Bergen | 252 | 209 | 202 | 138 | 109 | 132 | 158 | 208 | 251 | 275 | 272 | 288 |
| Difference | +220 | +176 | +141 | +76 | +22 | +12 | +2 | +85 | +105 | +157 | +226 | +260 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 32 | 33 | 61 | 62 | 87 | 120 |
| Bergen | 252 | 209 | 202 | 138 | 109 | 132 |
| Difference | +220 | +176 | +141 | +76 | +22 | +12 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 156 | 122 | 146 | 118 | 47 | 28 |
| Bergen | 158 | 208 | 251 | 275 | 272 | 288 |
| Difference | +2 | +85 | +105 | +157 | +226 | +260 |
Cloud cover (%) Bergen runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 63 | 64 | 65 | 65 | 69 | 81 | 79 | 70 | 75 | 70 | 62 | 61 |
| Bergen | 81 | 79 | 78 | 72 | 68 | 73 | 77 | 76 | 77 | 78 | 80 | 81 |
| Difference | +18 | +15 | +12 | +7 | — | -8 | -3 | +6 | +2 | +8 | +18 | +21 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 63 | 64 | 65 | 65 | 69 | 81 |
| Bergen | 81 | 79 | 78 | 72 | 68 | 73 |
| Difference | +18 | +15 | +12 | +7 | — | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 79 | 70 | 75 | 70 | 62 | 61 |
| Bergen | 77 | 76 | 77 | 78 | 80 | 81 |
| Difference | -3 | +6 | +2 | +8 | +18 | +21 |
Relative humidity (%) Bergen runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 90 | 87 | 82 | 76 | 75 | 79 | 81 | 81 | 83 | 84 | 85 | 88 |
| Bergen | 94 | 94 | 91 | 84 | 80 | 80 | 82 | 84 | 87 | 90 | 93 | 95 |
| Difference | +4 | +7 | +10 | +8 | +5 | +1 | +1 | +4 | +4 | +5 | +8 | +7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 90 | 87 | 82 | 76 | 75 | 79 |
| Bergen | 94 | 94 | 91 | 84 | 80 | 80 |
| Difference | +4 | +7 | +10 | +8 | +5 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 81 | 81 | 83 | 84 | 85 | 88 |
| Bergen | 82 | 84 | 87 | 90 | 93 | 95 |
| Difference | +1 | +4 | +4 | +5 | +8 | +7 |
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. Karuizawa trends → · Bergen trends →
Methodology & sources
Karuizawa
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tomi, about 23 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.
Bergen
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Bergen Florida, a weather station, about 1 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 Karuizawa · change Bergen → · Karuizawa page · Bergen page