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Karuizawa vs Bergen
Comparing Karuizawa change · Bergen change
Karuizawa is the warmer of the two — about 1°F on the annual average; Bergen is the wetter, with 58 in 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°F on the annual average.
Precipitation
Bergen is the wetter — about 58 in 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 (°F) Karuizawa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 36 | 38 | 46 | 58 | 68 | 73 | 80 | 82 | 74 | 63 | 53 | 42 |
| Bergen | 40 | 41 | 44 | 52 | 59 | 64 | 67 | 67 | 61 | 53 | 46 | 41 |
| Difference | +4 | +2 | -2 | -7 | -9 | -9 | -13 | -15 | -13 | -10 | -7 | -1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 36 | 38 | 46 | 58 | 68 | 73 |
| Bergen | 40 | 41 | 44 | 52 | 59 | 64 |
| Difference | +4 | +2 | -2 | -7 | -9 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 80 | 82 | 74 | 63 | 53 | 42 |
| Bergen | 67 | 67 | 61 | 53 | 46 | 41 |
| Difference | -13 | -15 | -13 | -10 | -7 | -1 |
Avg low (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 19 | 19 | 26 | 35 | 46 | 55 | 63 | 64 | 56 | 44 | 33 | 24 |
| Bergen | 33 | 32 | 34 | 39 | 44 | 50 | 54 | 54 | 50 | 43 | 38 | 34 |
| Difference | +14 | +13 | +9 | +4 | -1 | -5 | -8 | -9 | -6 | -1 | +4 | +10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 19 | 19 | 26 | 35 | 46 | 55 |
| Bergen | 33 | 32 | 34 | 39 | 44 | 50 |
| Difference | +14 | +13 | +9 | +4 | -1 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 63 | 64 | 56 | 44 | 33 | 24 |
| Bergen | 54 | 54 | 50 | 43 | 38 | 34 |
| Difference | -8 | -9 | -6 | -1 | +4 | +10 |
Precipitation (in) Bergen runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karuizawa | 1.3 | 1.3 | 2.4 | 2.4 | 3.4 | 4.7 | 6.2 | 4.8 | 5.8 | 4.7 | 1.8 | 1.1 |
| Bergen | 9.9 | 8.2 | 8 | 5.4 | 4.3 | 5.2 | 6.2 | 8.2 | 9.9 | 10.8 | 10.7 | 11.3 |
| Difference | +8.7 | +6.9 | +5.6 | +3 | +0.9 | +0.5 | +0.1 | +3.4 | +4.1 | +6.2 | +8.9 | +10.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Karuizawa | 1.3 | 1.3 | 2.4 | 2.4 | 3.4 | 4.7 |
| Bergen | 9.9 | 8.2 | 8 | 5.4 | 4.3 | 5.2 |
| Difference | +8.7 | +6.9 | +5.6 | +3 | +0.9 | +0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Karuizawa | 6.2 | 4.8 | 5.8 | 4.7 | 1.8 | 1.1 |
| Bergen | 6.2 | 8.2 | 9.9 | 10.8 | 10.7 | 11.3 |
| Difference | +0.1 | +3.4 | +4.1 | +6.2 | +8.9 | +10.2 |
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