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Arad, Romania climate
Cfa Humid subtropical
Arad has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 30°C, while the coldest is January averaging around −3°C at night. Around 606 mm of precipitation falls each year, peaking in June (85 mm) and easing off in January (34 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsArad climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 6 | 12 | 18 | 23 | 27 | 29 | 30 | 24 | 18 | 11 | 4 |
| Avg temp (°C) | 0 | 2 | 7 | 12 | 17 | 20 | 22 | 23 | 18 | 12 | 7 | 1 |
| Avg low (°C) | −3 | −2 | 1 | 6 | 10 | 14 | 15 | 16 | 11 | 6 | 2 | −2 |
| Precipitation (mm) | 34 | 35 | 36 | 48 | 61 | 85 | 67 | 54 | 51 | 47 | 43 | 44 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 6 | 12 | 18 | 23 | 27 |
| Avg temp (°C) | 0 | 2 | 7 | 12 | 17 | 20 |
| Avg low (°C) | −3 | −2 | 1 | 6 | 10 | 14 |
| Precipitation (mm) | 34 | 35 | 36 | 48 | 61 | 85 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 30 | 24 | 18 | 11 | 4 |
| Avg temp (°C) | 22 | 23 | 18 | 12 | 7 | 1 |
| Avg low (°C) | 15 | 16 | 11 | 6 | 2 | −2 |
| Precipitation (mm) | 67 | 54 | 51 | 47 | 43 | 44 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 10 | 11 | 12 | 12 | 10 | 7 | 10 | 9 | 10 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 4 | 9 | 10 | 1 | — | — | — |
| Days with low ≤ 0°C (days) | 24 | 19 | 13 | 3 | 0.1 | — | — | — | 0.0 | 4 | 10 | 20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 10 | 11 | 12 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 4 |
| Days with low ≤ 0°C (days) | 24 | 19 | 13 | 3 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 7 | 10 | 9 | 10 | 12 |
| Days with high ≥ 32°C (days) | 9 | 10 | 1 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.0 | 4 | 10 | 20 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 69 | 65 | 63 | 63 | 57 | 51 | 45 | 57 | 60 | 69 | 73 |
| Clear days (≤ 30% cloud) | 3 | 4 | 5 | 5 | 5 | 7 | 9 | 12 | 8 | 7 | 4 | 3 |
| Partly cloudy days (30–70%) | 10 | 8 | 9 | 10 | 10 | 12 | 12 | 11 | 10 | 9 | 9 | 8 |
| Cloudy days (≥ 70%) | 18 | 17 | 16 | 15 | 15 | 12 | 10 | 8 | 13 | 15 | 17 | 20 |
| Relative humidity (%) | 89 | 84 | 76 | 71 | 66 | 62 | 55 | 53 | 61 | 70 | 82 | 89 |
| Wind speed (m/s) | 2.2 | 2.4 | 2.4 | 2.2 | 2.0 | 1.9 | 1.8 | 1.7 | 1.9 | 2.1 | 2.2 | 2.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 69 | 65 | 63 | 63 | 57 |
| Clear days (≤ 30% cloud) | 3 | 4 | 5 | 5 | 5 | 7 |
| Partly cloudy days (30–70%) | 10 | 8 | 9 | 10 | 10 | 12 |
| Cloudy days (≥ 70%) | 18 | 17 | 16 | 15 | 15 | 12 |
| Relative humidity (%) | 89 | 84 | 76 | 71 | 66 | 62 |
| Wind speed (m/s) | 2.2 | 2.4 | 2.4 | 2.2 | 2.0 | 1.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 45 | 57 | 60 | 69 | 73 |
| Clear days (≤ 30% cloud) | 9 | 12 | 8 | 7 | 4 | 3 |
| Partly cloudy days (30–70%) | 12 | 11 | 10 | 9 | 9 | 8 |
| Cloudy days (≥ 70%) | 10 | 8 | 13 | 15 | 17 | 20 |
| Relative humidity (%) | 55 | 53 | 61 | 70 | 82 | 89 |
| Wind speed (m/s) | 1.8 | 1.7 | 1.9 | 2.1 | 2.2 | 2.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Arad, 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.