Home › Cities › Greece › Petroúpolis

Petroúpolis, Greece climate

BSh Hot semi-arid

Petroúpolis has a seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is August with an average daily high near 92°F, while the coldest is January averaging around 44°F at night. Precipitation totals about 14 inches a year and is strongly seasonal — December alone averages 2.4 inches while August barely receives 0.12 inches.

☀️ Summers

Hot

Highs near 92°F in August.

About 47 days a year above 90 °F

❄️ Winters

Cool

Lows near 44°F in January.

About 2 freezing nights a year

🌧️ Rain

Fairly dry

About 14 in of rain a year.

Wettest in December

⛅ Sky & trend

Fairly sunny

More sun than cloud through the year.

+1.1 °F vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Petroúpolis climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	56	57	62	68	77	86	92	92	84	75	66	59
Avg temp (°F)	50	51	55	61	69	78	83	83	76	68	60	53
Avg low (°F)	44	44	48	53	61	69	74	75	68	61	53	48
Precipitation (in)	1.8	1.4	1.6	1.0	0.6	0.4	0.3	0.1	0.6	1.3	2.4	2.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	56	57	62	68	77	86
Avg temp (°F)	50	51	55	61	69	78
Avg low (°F)	44	44	48	53	61	69
Precipitation (in)	1.8	1.4	1.6	1.0	0.6	0.4

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	92	92	84	75	66	59
Avg temp (°F)	83	83	76	68	60	53
Avg low (°F)	74	75	68	61	53	48
Precipitation (in)	0.3	0.1	0.6	1.3	2.4	2.4

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	6	6	5	3	2	0.6	0.6	3	4	6	8
Days with high ≥ 90°F (days)	—	—	—	—	0.5	7	18	18	3	0.1	—	—
Days with low ≤ 32°F (days)	0.8	0.6	0.1	—	—	—	—	—	—	—	—	0.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	7	6	6	5	3	2
Days with high ≥ 90°F (days)	—	—	—	—	0.5	7
Days with low ≤ 32°F (days)	0.8	0.6	0.1	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	0.6	0.6	3	4	6	8
Days with high ≥ 90°F (days)	18	18	3	0.1	—	—
Days with low ≤ 32°F (days)	—	—	—	—	—	0.2

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	58	58	55	51	44	27	20	19	29	45	55	61
Clear days (≤ 30% cloud)	7	7	9	9	12	19	23	24	17	12	8	7
Partly cloudy days (30–70%)	10	9	11	12	11	9	7	6	9	10	10	9
Cloudy days (≥ 70%)	13	12	12	10	7	2	1	1	3	9	12	15
Relative humidity (%)	81	80	77	71	62	54	51	54	60	70	77	81
Wind speed (mph)	8.0	8.1	7.4	6.5	6.0	6.2	7.5	8.1	7.1	7.4	7.6	8.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	58	58	55	51	44	27
Clear days (≤ 30% cloud)	7	7	9	9	12	19
Partly cloudy days (30–70%)	10	9	11	12	11	9
Cloudy days (≥ 70%)	13	12	12	10	7	2
Relative humidity (%)	81	80	77	71	62	54
Wind speed (mph)	8.0	8.1	7.4	6.5	6.0	6.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	20	19	29	45	55	61
Clear days (≤ 30% cloud)	23	24	17	12	8	7
Partly cloudy days (30–70%)	7	6	9	10	10	9
Cloudy days (≥ 70%)	1	1	3	9	12	15
Relative humidity (%)	51	54	60	70	77	81
Wind speed (mph)	7.5	8.1	7.1	7.4	7.6	8.2

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Hellinikon, a weather station, about 17 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.

How we build these numbers →