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Biarritz vs Bologna
Comparing Biarritz change · Bologna change
Biarritz and Bologna have nearly identical year-round temperatures; Biarritz is the wetter, with 872 mm more rain a year, and Bologna the sunnier.
How the seasons compare
The differences between Biarritz and Bologna, in everyday terms.
Summers
Bologna has much hotter summers
Biarritz: Mild
Bologna: Hot
Winters
Biarritz has much milder winters
Biarritz: Cool
Bologna: Cold
Rain & snow
Biarritz is much wetter
Biarritz: Wet
Bologna: Moderate rainfall
Sky
Bologna is sunnier
Biarritz: Often cloudy
Bologna: Partly cloudy
Month-by-month charts
Temperature
Biarritz and Bologna run remarkably close all year.
Precipitation
Biarritz is the wetter — about 872 mm 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 (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biarritz | 12 | 13 | 15 | 17 | 20 | 22 | 24 | 25 | 23 | 20 | 15 | 13 |
| Bologna | 7 | 10 | 15 | 19 | 24 | 29 | 31 | 31 | 26 | 19 | 13 | 8 |
| Difference | -5 | -3 | — | +2 | +4 | +6 | +7 | +6 | +3 | -1 | -3 | -5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Biarritz | 12 | 13 | 15 | 17 | 20 | 22 |
| Bologna | 7 | 10 | 15 | 19 | 24 | 29 |
| Difference | -5 | -3 | — | +2 | +4 | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Biarritz | 24 | 25 | 23 | 20 | 15 | 13 |
| Bologna | 31 | 31 | 26 | 19 | 13 | 8 |
| Difference | +7 | +6 | +3 | -1 | -3 | -5 |
Avg low (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biarritz | 5 | 5 | 7 | 9 | 12 | 15 | 17 | 17 | 14 | 12 | 8 | 6 |
| Bologna | -0 | 1 | 4 | 8 | 13 | 17 | 19 | 19 | 15 | 11 | 6 | 1 |
| Difference | -5 | -4 | -3 | -1 | +1 | +2 | +2 | +2 | — | -1 | -2 | -5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Biarritz | 5 | 5 | 7 | 9 | 12 | 15 |
| Bologna | -0 | 1 | 4 | 8 | 13 | 17 |
| Difference | -5 | -4 | -3 | -1 | +1 | +2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Biarritz | 17 | 17 | 14 | 12 | 8 | 6 |
| Bologna | 19 | 19 | 15 | 11 | 6 | 1 |
| Difference | +2 | +2 | — | -1 | -2 | -5 |
Precipitation (mm) Biarritz runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biarritz | 140 | 110 | 103 | 118 | 116 | 99 | 77 | 87 | 118 | 147 | 207 | 151 |
| Bologna | 29 | 51 | 49 | 58 | 64 | 61 | 24 | 29 | 52 | 69 | 73 | 43 |
| Difference | -110 | -59 | -54 | -60 | -52 | -38 | -53 | -59 | -66 | -78 | -134 | -108 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Biarritz | 140 | 110 | 103 | 118 | 116 | 99 |
| Bologna | 29 | 51 | 49 | 58 | 64 | 61 |
| Difference | -110 | -59 | -54 | -60 | -52 | -38 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Biarritz | 77 | 87 | 118 | 147 | 207 | 151 |
| Bologna | 24 | 29 | 52 | 69 | 73 | 43 |
| Difference | -53 | -59 | -66 | -78 | -134 | -108 |
Cloud cover (%) Biarritz runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biarritz | 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 |
|---|---|---|---|---|---|---|
| Biarritz | 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 |
|---|---|---|---|---|---|---|
| Biarritz | 63 | 62 | 61 | 68 | 73 | 73 |
| Bologna | 35 | 37 | 48 | 61 | 70 | 67 |
| Difference | -28 | -25 | -13 | -6 | -3 | -7 |
Relative humidity (%) Biarritz runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biarritz | 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 |
|---|---|---|---|---|---|---|
| Biarritz | 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 |
|---|---|---|---|---|---|---|
| Biarritz | 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. Biarritz trends → · Bologna trends →
Methodology & sources
Biarritz
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Biarritz-pays-basque, a weather station, about 2 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.
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