Climate Insights for Monção

Monção, Distrito de Viana do Castelo, Portugal

Hottest
August
25°C peak
Coldest
January
4°C low
Wettest
October
234mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Monção is temperate. The average annual temperature is 14°C and approximately 1630mm of precipitation falls per year. October is the wettest month, receiving around 234mm of rainfall. Monção 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, March, when temperatures can drop to 4°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 12° Average: 8° Min: 4° Feb Max: 13° Average: 9° Min: 5° Mar Max: 15° Average: 10° Min: 6° Apr Max: 17° Average: 13° Min: 8° May Max: 20° Average: 15° Min: 10° Jun Max: 22° Average: 17° Min: 13° Jul Max: 25° Average: 20° Min: 15° Aug Max: 25° Average: 20° Min: 15° Sep Max: 23° Average: 18° Min: 13° Oct Max: 20° Average: 15° Min: 11° Nov Max: 15° Average: 11° Min: 8° Dec Max: 13° Average: 9° Min: 6°
Max
Average
Min

Temperatures in Monção vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 20°C. January is the coolest month, with minimum temperatures around 4°C and an average of 8°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 191mm Feb Precipitation: 151mm Mar Precipitation: 174mm Apr Precipitation: 154mm May Precipitation: 112mm Jun Precipitation: 80mm Jul Precipitation: 20mm Aug Precipitation: 25mm Sep Precipitation: 87mm Oct Precipitation: 234mm Nov Precipitation: 197mm Dec Precipitation: 204mm
Precipitation

Monção is a fairly wet location, receiving approximately 1630mm of precipitation annually, which averages out to around 136mm per month. The wettest month is October, averaging 234mm of rainfall. December and November also tend to see above-average precipitation. The driest month is July, with just 20mm. That's 214mm less than October, 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 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 15km/h Mar Wind Speed: 16km/h Apr Wind Speed: 14km/h May Wind Speed: 14km/h Jun Wind Speed: 13km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 12km/h Oct Wind Speed: 14km/h Nov Wind Speed: 14km/h Dec Wind Speed: 14km/h
Wind Speed

Monção is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

Seasons

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

89 days until Summer

It is currently spring in Monção, which began on March 20, 2026. Monção 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 25°C, while the coldest stretch bottoms out in January near 4°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 6 to 20°C. Rainfall is heavy, totalling around 440mm across the season with a monthly average of 147mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 25°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are generally light, averaging 13km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 8 to 23°C. Rainfall is heavy, totalling around 518mm across the season with a monthly average of 173mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 4 to 13°C. Rainfall is heavy, totalling around 547mm across the season with a monthly average of 182mm. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar 10°
Apr 13°
May 15°
Jun 17°
Jul 20°
Aug 20°
Sep 18°
Oct 15°
Nov 11°
Dec

The best time to visit Monção is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 53mm per month. By contrast, January can be quite cold with temperatures dropping to 4°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 Monção 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
4 °C
12 °C
14 km/h
191 mm
0 cm
Feb
5 °C
13 °C
15 km/h
151 mm
0 cm
Mar Current
6 °C
15 °C
16 km/h
174 mm
0 cm
Apr
8 °C
17 °C
14 km/h
154 mm
0 cm
May
10 °C
20 °C
14 km/h
112 mm
0 cm
Jun
13 °C
22 °C
13 km/h
80 mm
0 cm
Jul
15 °C
25 °C
13 km/h
20 mm
0 cm
Aug
15 °C
25 °C
13 km/h
25 mm
0 cm
Sep
13 °C
23 °C
12 km/h
87 mm
0 cm
Oct
11 °C
20 °C
14 km/h
234 mm
0 cm
Nov
8 °C
15 °C
14 km/h
197 mm
0 cm
Dec
6 °C
13 °C
14 km/h
204 mm
0 cm
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Metric (°C, km/h)