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Sofia vs Pittsburgh
Comparing Sofia change · Pittsburgh change
Sofia and Pittsburgh have nearly identical year-round temperatures; Pittsburgh is the wetter, with 412 mm more rain a year, and Sofia the sunnier.
How the seasons compare
The differences between Sofia and Pittsburgh, in everyday terms.
Summers
Summers are nearly the same
Sofia: Warm
Pittsburgh: Warm
Winters
Winters are similar
Sofia: Cold
Pittsburgh: Cold
Rain & snow
Pittsburgh is wetter
Sofia: Moderate rainfall
Pittsburgh: Wet
Sky
Sofia is sunnier
Sofia: Partly cloudy
Pittsburgh: Often cloudy
Month-by-month charts
Temperature
Sofia and Pittsburgh run remarkably close all year.
Precipitation
Pittsburgh is the wetter — about 412 mm more across the year.
Clear skies
Sofia 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sofia | 4 | 7 | 12 | 17 | 22 | 26 | 29 | 29 | 24 | 18 | 11 | 5 |
| Pittsburgh | 4 | 5 | 11 | 18 | 23 | 27 | 29 | 29 | 25 | 18 | 12 | 6 |
| Difference | — | -2 | -2 | — | +1 | +1 | +1 | -1 | +1 | — | — | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Sofia | 4 | 7 | 12 | 17 | 22 | 26 |
| Pittsburgh | 4 | 5 | 11 | 18 | 23 | 27 |
| Difference | — | -2 | -2 | — | +1 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Sofia | 29 | 29 | 24 | 18 | 11 | 5 |
| Pittsburgh | 29 | 29 | 25 | 18 | 12 | 6 |
| Difference | +1 | -1 | +1 | — | — | +1 |
Avg low (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sofia | -6 | -4 | -0 | 4 | 9 | 13 | 15 | 14 | 10 | 5 | 1 | -4 |
| Pittsburgh | -6 | -6 | -2 | 3 | 9 | 14 | 16 | 16 | 12 | 5 | 0 | -4 |
| Difference | -1 | -2 | -2 | -1 | -1 | +1 | +2 | +1 | +1 | — | -1 | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Sofia | -6 | -4 | -0 | 4 | 9 | 13 |
| Pittsburgh | -6 | -6 | -2 | 3 | 9 | 14 |
| Difference | -1 | -2 | -2 | -1 | -1 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Sofia | 15 | 14 | 10 | 5 | 1 | -4 |
| Pittsburgh | 16 | 16 | 12 | 5 | 0 | -4 |
| Difference | +2 | +1 | +1 | — | -1 | — |
Precipitation (mm) Pittsburgh runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sofia | 36 | 34 | 46 | 67 | 72 | 80 | 73 | 54 | 65 | 59 | 37 | 41 |
| Pittsburgh | 77 | 65 | 81 | 96 | 101 | 127 | 105 | 90 | 88 | 81 | 76 | 90 |
| Difference | +41 | +30 | +36 | +28 | +29 | +47 | +32 | +36 | +23 | +23 | +38 | +49 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Sofia | 36 | 34 | 46 | 67 | 72 | 80 |
| Pittsburgh | 77 | 65 | 81 | 96 | 101 | 127 |
| Difference | +41 | +30 | +36 | +28 | +29 | +47 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Sofia | 73 | 54 | 65 | 59 | 37 | 41 |
| Pittsburgh | 105 | 90 | 88 | 81 | 76 | 90 |
| Difference | +32 | +36 | +23 | +23 | +38 | +49 |
Cloud cover (%) Pittsburgh runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sofia | 65 | 68 | 69 | 70 | 68 | 57 | 47 | 42 | 54 | 60 | 65 | 68 |
| Pittsburgh | 77 | 75 | 72 | 69 | 68 | 63 | 59 | 57 | 56 | 63 | 70 | 77 |
| Difference | +12 | +7 | +3 | — | — | +6 | +12 | +16 | +2 | +3 | +5 | +9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Sofia | 65 | 68 | 69 | 70 | 68 | 57 |
| Pittsburgh | 77 | 75 | 72 | 69 | 68 | 63 |
| Difference | +12 | +7 | +3 | — | — | +6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Sofia | 47 | 42 | 54 | 60 | 65 | 68 |
| Pittsburgh | 59 | 57 | 56 | 63 | 70 | 77 |
| Difference | +12 | +16 | +2 | +3 | +5 | +9 |
Relative humidity (%) Pittsburgh runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sofia | 89 | 85 | 79 | 74 | 71 | 65 | 58 | 55 | 62 | 73 | 82 | 88 |
| Pittsburgh | 88 | 86 | 82 | 78 | 78 | 76 | 71 | 68 | 70 | 75 | 81 | 86 |
| Difference | -1 | +1 | +4 | +4 | +7 | +11 | +13 | +13 | +9 | +2 | -1 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Sofia | 89 | 85 | 79 | 74 | 71 | 65 |
| Pittsburgh | 88 | 86 | 82 | 78 | 78 | 76 |
| Difference | -1 | +1 | +4 | +4 | +7 | +11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Sofia | 58 | 55 | 62 | 73 | 82 | 88 |
| Pittsburgh | 71 | 68 | 70 | 75 | 81 | 86 |
| Difference | +13 | +13 | +9 | +2 | -1 | -2 |
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. Sofia trends → · Pittsburgh trends →
Methodology & sources
Sofia
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Sofia, a weather station, about 7 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.
Pittsburgh
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Mckeesport (NOAA GHCN station USC00365573), about 16 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.
← change Sofia · change Pittsburgh → · Sofia page · Pittsburgh page