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Donostia / San Sebastián vs Bologna
Comparing Donostia / San Sebastián change · Bologna change
Donostia / San Sebastián and Bologna have nearly identical year-round temperatures; Donostia / San Sebastián is the wetter, with 34 in more rain a year, and Bologna the sunnier.
How the seasons compare
The differences between Donostia / San Sebastián and Bologna, in everyday terms.
Summers
Bologna has much hotter summers
Donostia / San Sebastián: Mild
Bologna: Hot
Winters
Donostia / San Sebastián has much milder winters
Donostia / San Sebastián: Cool
Bologna: Cold
Rain & snow
Donostia / San Sebastián is much wetter
Donostia / San Sebastián: Wet
Bologna: Moderate rainfall
Sky
Bologna is sunnier
Donostia / San Sebastián: Often cloudy
Bologna: Partly cloudy
Month-by-month charts
Temperature
Donostia / San Sebastián and Bologna run remarkably close all year.
Precipitation
Donostia / San Sebastián is the wetter — about 34 in more across the year.
Clear skies
Bologna 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 54 | 55 | 59 | 62 | 68 | 72 | 76 | 77 | 74 | 68 | 60 | 55 |
| Bologna | 45 | 50 | 59 | 66 | 75 | 84 | 89 | 88 | 78 | 67 | 55 | 46 |
| Difference | -9 | -5 | — | +4 | +7 | +11 | +13 | +11 | +5 | -2 | -5 | -9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 54 | 55 | 59 | 62 | 68 | 72 |
| Bologna | 45 | 50 | 59 | 66 | 75 | 84 |
| Difference | -9 | -5 | — | +4 | +7 | +11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 76 | 77 | 74 | 68 | 60 | 55 |
| Bologna | 89 | 88 | 78 | 67 | 55 | 46 |
| Difference | +13 | +11 | +5 | -2 | -5 | -9 |
Avg low (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 41 | 41 | 45 | 48 | 53 | 59 | 62 | 63 | 58 | 53 | 46 | 42 |
| Bologna | 32 | 33 | 40 | 47 | 55 | 63 | 67 | 67 | 59 | 51 | 42 | 34 |
| Difference | -9 | -7 | -5 | -1 | +2 | +4 | +4 | +4 | +1 | -2 | -4 | -9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 41 | 41 | 45 | 48 | 53 | 59 |
| Bologna | 32 | 33 | 40 | 47 | 55 | 63 |
| Difference | -9 | -7 | -5 | -1 | +2 | +4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 62 | 63 | 58 | 53 | 46 | 42 |
| Bologna | 67 | 67 | 59 | 51 | 42 | 34 |
| Difference | +4 | +4 | +1 | -2 | -4 | -9 |
Precipitation (in) Donostia / San Sebastián runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 5.5 | 4.3 | 4 | 4.6 | 4.6 | 3.9 | 3 | 3.4 | 4.7 | 5.8 | 8.1 | 5.9 |
| Bologna | 1.1 | 2 | 1.9 | 2.3 | 2.5 | 2.4 | 0.9 | 1.1 | 2 | 2.7 | 2.9 | 1.7 |
| Difference | -4.4 | -2.3 | -2.1 | -2.3 | -2 | -1.5 | -2.1 | -2.3 | -2.6 | -3.1 | -5.3 | -4.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 5.5 | 4.3 | 4 | 4.6 | 4.6 | 3.9 |
| Bologna | 1.1 | 2 | 1.9 | 2.3 | 2.5 | 2.4 |
| Difference | -4.4 | -2.3 | -2.1 | -2.3 | -2 | -1.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 3 | 3.4 | 4.7 | 5.8 | 8.1 | 5.9 |
| Bologna | 0.9 | 1.1 | 2 | 2.7 | 2.9 | 1.7 |
| Difference | -2.1 | -2.3 | -2.6 | -3.1 | -5.3 | -4.3 |
Cloud cover (%) Donostia / San Sebastián runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 73 | 69 | 67 | 70 | 70 | 66 | 63 | 62 | 61 | 68 | 73 | 73 |
| Bologna | 67 | 61 | 58 | 59 | 58 | 48 | 35 | 37 | 48 | 61 | 70 | 67 |
| Difference | -7 | -8 | -10 | -11 | -12 | -19 | -28 | -25 | -13 | -6 | -3 | -7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 73 | 69 | 67 | 70 | 70 | 66 |
| Bologna | 67 | 61 | 58 | 59 | 58 | 48 |
| Difference | -7 | -8 | -10 | -11 | -12 | -19 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 63 | 62 | 61 | 68 | 73 | 73 |
| Bologna | 35 | 37 | 48 | 61 | 70 | 67 |
| Difference | -28 | -25 | -13 | -6 | -3 | -7 |
Relative humidity (%) Donostia / San Sebastián runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 86 | 84 | 82 | 80 | 79 | 77 | 74 | 70 | 72 | 78 | 84 | 86 |
| Bologna | 87 | 82 | 76 | 73 | 66 | 59 | 52 | 53 | 65 | 77 | 86 | 88 |
| Difference | +1 | -2 | -5 | -8 | -13 | -18 | -22 | -18 | -7 | — | +2 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 86 | 84 | 82 | 80 | 79 | 77 |
| Bologna | 87 | 82 | 76 | 73 | 66 | 59 |
| Difference | +1 | -2 | -5 | -8 | -13 | -18 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Donostia / San Sebastián | 74 | 70 | 72 | 78 | 84 | 86 |
| Bologna | 52 | 53 | 65 | 77 | 86 | 88 |
| Difference | -22 | -18 | -7 | — | +2 | +1 |
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. Donostia / San Sebastián trends → · Bologna trends →
Methodology & sources
Donostia / San Sebastián
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Biarritz-pays-basque, a weather station, about 40 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.
Bologna
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Bologna, 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.
← change Donostia / San Sebastián · change Bologna → · Donostia / San Sebastián page · Bologna page