Climate Insights for Ermesinde

Valongo, Distrito do Porto, Portugal

Hottest
August
26°C peak
Coldest
January
7°C low
Wettest
November
184mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Ermesinde is temperate. The average annual temperature is 16°C and approximately 1313mm of precipitation falls per year. November is the wettest month, receiving around 184mm of rainfall. Ermesinde is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 7°C.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 13° Average: 10° Min: 7° Feb Max: 15° Average: 11° Min: 8° Mar Max: 16° Average: 12° Min: 9° Apr Max: 18° Average: 14° Min: 11° May Max: 21° Average: 17° Min: 13° Jun Max: 23° Average: 19° Min: 15° Jul Max: 26° Average: 21° Min: 17° Aug Max: 26° Average: 21° Min: 17° Sep Max: 24° Average: 20° Min: 16° Oct Max: 21° Average: 17° Min: 14° Nov Max: 16° Average: 13° Min: 10° Dec Max: 14° Average: 11° Min: 8°
Max
Average
Min

Ermesinde sees moderate temperature variation throughout the year, ranging from 7°C to 26°C. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 21°C. January is the coolest month, with minimum temperatures around 7°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 158mm Feb Precipitation: 118mm Mar Precipitation: 144mm Apr Precipitation: 139mm May Precipitation: 82mm Jun Precipitation: 57mm Jul Precipitation: 15mm Aug Precipitation: 12mm Sep Precipitation: 58mm Oct Precipitation: 175mm Nov Precipitation: 184mm Dec Precipitation: 170mm
Precipitation

Ermesinde is a fairly wet location, receiving approximately 1313mm of precipitation annually, which averages out to around 109mm per month. The wettest month is November, averaging 184mm of rainfall. October and December also tend to see above-average precipitation. The driest month is August, with just 12mm. That's 172mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 12km/h Feb Wind Speed: 12km/h Mar Wind Speed: 12km/h Apr Wind Speed: 11km/h May Wind Speed: 11km/h Jun Wind Speed: 10km/h Jul Wind Speed: 10km/h Aug Wind Speed: 10km/h Sep Wind Speed: 10km/h Oct Wind Speed: 11km/h Nov Wind Speed: 12km/h Dec Wind Speed: 12km/h
Wind Speed

Ermesinde is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Winter

It is currently autumn in Ermesinde, which began on September 23, 2026. Ermesinde is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 26°C, while the coldest stretch bottoms out in January near 7°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 9 to 21°C. Rainfall is heavy, totalling around 365mm across the season with a monthly average of 122mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 15 to 26°C. Rainfall is relatively light, with around 84mm over the season and a monthly average of 28mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 10 to 24°C. Rainfall is heavy, totalling around 417mm across the season with a monthly average of 139mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 7 to 15°C. Rainfall is heavy, totalling around 446mm across the season with a monthly average of 149mm. Winds are generally light, averaging 12km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 10°
Feb 11°
Mar 12°
Apr 14°
May 17°
Jun 19°
Jul 21°
Aug 21°
Sep 20°
Oct 17°
Nov 13°
Dec 11°

The best time to visit Ermesinde is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 45mm per month. By contrast, January can be quite cold with temperatures dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Ermesinde based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
7 °C
13 °C
12 km/h
158 mm
0 cm
Feb
8 °C
15 °C
12 km/h
118 mm
0 cm
Mar
9 °C
16 °C
12 km/h
144 mm
0 cm
Apr
11 °C
18 °C
11 km/h
139 mm
0 cm
May
13 °C
21 °C
11 km/h
82 mm
0 cm
Jun
15 °C
23 °C
10 km/h
57 mm
0 cm
Jul
17 °C
26 °C
10 km/h
15 mm
0 cm
Aug
17 °C
26 °C
10 km/h
12 mm
0 cm
Sep Current
16 °C
24 °C
10 km/h
58 mm
0 cm
Oct
14 °C
21 °C
11 km/h
175 mm
0 cm
Nov
10 °C
16 °C
12 km/h
184 mm
0 cm
Dec
8 °C
14 °C
12 km/h
170 mm
0 cm
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Metric (°C, km/h)