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Valparaíso vs Bologna
Comparing Valparaíso change · Bologna change
Valparaíso and Bologna have nearly identical year-round temperatures, and Valparaíso the sunnier.
How the seasons compare
The differences between Valparaíso and Bologna, in everyday terms.
Summers
Bologna has far hotter summers
Valparaíso: Mild
Bologna: Hot
Winters
Valparaíso has much milder winters
Valparaíso: Cool
Bologna: Cold
Rain & snow
Similar yearly rainfall
Valparaíso: Fairly dry
Bologna: Moderate rainfall
Sky
Valparaíso is sunnier
Valparaíso: Partly cloudy
Bologna: Partly cloudy
Month-by-month charts
Temperature
Valparaíso and Bologna run remarkably close all year.
Precipitation
Bologna is the wetter — about 3 in more across the year.
Clear skies
Valparaíso 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 74 | 73 | 72 | 68 | 63 | 60 | 59 | 60 | 62 | 65 | 70 | 72 |
| Bologna | 45 | 50 | 59 | 66 | 75 | 84 | 89 | 88 | 78 | 67 | 55 | 46 |
| Difference | -29 | -23 | -12 | -1 | +12 | +24 | +30 | +28 | +16 | +1 | -15 | -26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 74 | 73 | 72 | 68 | 63 | 60 |
| Bologna | 45 | 50 | 59 | 66 | 75 | 84 |
| Difference | -29 | -23 | -12 | -1 | +12 | +24 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 59 | 60 | 62 | 65 | 70 | 72 |
| Bologna | 89 | 88 | 78 | 67 | 55 | 46 |
| Difference | +30 | +28 | +16 | +1 | -15 | -26 |
Avg low (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 54 | 54 | 53 | 51 | 48 | 46 | 45 | 45 | 46 | 47 | 50 | 52 |
| Bologna | 32 | 33 | 40 | 47 | 55 | 63 | 67 | 67 | 59 | 51 | 42 | 34 |
| Difference | -23 | -21 | -13 | -4 | +7 | +16 | +22 | +22 | +12 | +4 | -7 | -19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 54 | 54 | 53 | 51 | 48 | 46 |
| Bologna | 32 | 33 | 40 | 47 | 55 | 63 |
| Difference | -23 | -21 | -13 | -4 | +7 | +16 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 45 | 45 | 46 | 47 | 50 | 52 |
| Bologna | 67 | 67 | 59 | 51 | 42 | 34 |
| Difference | +22 | +22 | +12 | +4 | -7 | -19 |
Precipitation (in) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 0 | 0 | 0.2 | 0.8 | 3.8 | 6.4 | 3.5 | 3.5 | 1.5 | 0.6 | 0.2 | 0.1 |
| Bologna | 1.1 | 2 | 1.9 | 2.3 | 2.5 | 2.4 | 0.9 | 1.1 | 2 | 2.7 | 2.9 | 1.7 |
| Difference | +1.1 | +2 | +1.8 | +1.5 | -1.2 | -4 | -2.6 | -2.4 | +0.5 | +2.1 | +2.7 | +1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 0 | 0 | 0.2 | 0.8 | 3.8 | 6.4 |
| Bologna | 1.1 | 2 | 1.9 | 2.3 | 2.5 | 2.4 |
| Difference | +1.1 | +2 | +1.8 | +1.5 | -1.2 | -4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 3.5 | 3.5 | 1.5 | 0.6 | 0.2 | 0.1 |
| Bologna | 0.9 | 1.1 | 2 | 2.7 | 2.9 | 1.7 |
| Difference | -2.6 | -2.4 | +0.5 | +2.1 | +2.7 | +1.5 |
Cloud cover (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 36 | 39 | 43 | 48 | 61 | 60 | 55 | 54 | 54 | 50 | 42 | 39 |
| Bologna | 67 | 61 | 58 | 59 | 58 | 48 | 35 | 37 | 48 | 61 | 70 | 67 |
| Difference | +30 | +21 | +15 | +11 | -2 | -13 | -21 | -17 | -5 | +11 | +28 | +28 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 36 | 39 | 43 | 48 | 61 | 60 |
| Bologna | 67 | 61 | 58 | 59 | 58 | 48 |
| Difference | +30 | +21 | +15 | +11 | -2 | -13 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 55 | 54 | 54 | 50 | 42 | 39 |
| Bologna | 35 | 37 | 48 | 61 | 70 | 67 |
| Difference | -21 | -17 | -5 | +11 | +28 | +28 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valparaíso | 53 | 54 | 55 | 58 | 63 | 67 | 70 | 71 | 70 | 64 | 57 | 53 |
| Bologna | 87 | 82 | 76 | 73 | 66 | 59 | 52 | 53 | 65 | 77 | 86 | 88 |
| Difference | +34 | +28 | +21 | +15 | +4 | -8 | -18 | -18 | -5 | +13 | +29 | +34 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Valparaíso | 53 | 54 | 55 | 58 | 63 | 67 |
| Bologna | 87 | 82 | 76 | 73 | 66 | 59 |
| Difference | +34 | +28 | +21 | +15 | +4 | -8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Valparaíso | 70 | 71 | 70 | 64 | 57 | 53 |
| Bologna | 52 | 53 | 65 | 77 | 86 | 88 |
| Difference | -18 | -18 | -5 | +13 | +29 | +34 |
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. Valparaíso trends → · Bologna trends →
Methodology & sources
Valparaíso
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Rodelillovinadelmarad, about 8 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.
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 Valparaíso · change Bologna → · Valparaíso page · Bologna page