Monthly climate in Seixal, District of Setúbal, Portugal

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Seixal features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 11 °C (51 °F) and 22 °C (72 °F) through the year, but rarely can drop to 0 °C (31 °F) or can rise to as high as 43 °C (109 °F).The average annual precipitation amounts to about 475 mm (18.7 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually.Seixal enjoys an average of 3826 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 49 minutes per day.

Monthly average temperatures in Seixal, District of Setúbal, Portugal §

The warmest months in Seixal are July, August and September, with daily mean temperatures ranging from 21 to 22 °C (71 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 12 °C (51 - 55 °F) throughout the day. On average each year, Seixal experiences 90 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Seixal, District of Setúbal, Portugal.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 20°C
(69°F)
24°C
(76°F)
26°C
(79°F)
27°C
(81°F)
35°C
(96°F)
40°C
(104°F)
37°C
(99°F)
43°C
(109°F)
35°C
(95°F)
33°C
(92°F)
24°C
(76°F)
20°C
(68°F)
Mean maximum 18°C
(65°F)
21°C
(71°F)
24°C
(75°F)
25°C
(78°F)
31°C
(88°F)
33°C
(91°F)
34°C
(94°F)
35°C
(96°F)
33°C
(92°F)
30°C
(86°F)
22°C
(72°F)
19°C
(66°F)
Average high 14°C
(58°F)
16°C
(62°F)
18°C
(64°F)
19°C
(67°F)
23°C
(74°F)
25°C
(77°F)
27°C
(81°F)
29°C
(84°F)
27°C
(81°F)
24°C
(75°F)
18°C
(64°F)
16°C
(61°F)
Daily mean 11°C
(51°F)
12°C
(55°F)
14°C
(57°F)
15°C
(59°F)
18°C
(65°F)
20°C
(68°F)
22°C
(71°F)
22°C
(72°F)
21°C
(71°F)
19°C
(66°F)
14°C
(58°F)
12°C
(54°F)
Average low 7°C
(46°F)
9°C
(49°F)
10°C
(50°F)
11°C
(53°F)
14°C
(57°F)
15°C
(60°F)
17°C
(63°F)
17°C
(64°F)
17°C
(62°F)
14°C
(58°F)
11°C
(53°F)
9°C
(49°F)
Mean minimum 2°C
(36°F)
5°C
(41°F)
6°C
(43°F)
8°C
(46°F)
10°C
(50°F)
13°C
(56°F)
14°C
(58°F)
15°C
(59°F)
14°C
(57°F)
10°C
(50°F)
7°C
(45°F)
4°C
(40°F)
Minimum -0°C
(31°F)
2°C
(37°F)
4°C
(40°F)
6°C
(44°F)
8°C
(47°F)
11°C
(52°F)
14°C
(57°F)
15°C
(58°F)
12°C
(54°F)
8°C
(47°F)
6°C
(43°F)
2°C
(36°F)

Compare climate in Seixal with other places

Compare temperature, precipitation, sunshine, UV index in Seixal, District of Setúbal, Portugal with other places around the world.

Monthly average precipitation in Seixal, District of Setúbal, Portugal §

Seixal usually has the most precipitation in March, April and November, with an average of 10 rainy days and 71 mm (2.8 inches) of precipitation per month.The driest months in Seixal are June, July and August. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seixal, District of Setúbal, Portugal.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 33 (1.3) 50 (2.0) 68 (2.7) 72 (2.8) 38 (1.5) 10 (0.4) 5 (0.2) 3 (0.1) 24 (0.9) 42 (1.7) 74 (2.9) 55 (2.2)
Average precipitation days (≥ 1 mm) 4 7 8 13 5 3 1 1 3 5 10 7

Monthly sunshine hours in Seixal, District of Setúbal, Portugal §

The sunniest months in Seixal are May, June and July, when the sun shines an average of 13 hours 29 minutes a day.Least sunny months in Seixal: January, February and December receive an average of 6 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seixal, District of Setúbal, Portugal.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 181 228 306 353 407 411 422 396 349 313 233 221
Mean daily daylight hours 9h 46m 10h 44m 11h 58m 13h 14m 14h 18m 14h 49m 14h 32m 13h 36m 12h 23m 11h 8m 10h 2m 9h 28m

Solar UV radiation in Seixal, District of Setúbal, Portugal §

Seixal experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Seixal UV Index data.

Average daily maximum UV levels by month for Seixal, District of Setúbal, Portugal.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 11 10 9 8 6 4 3