Climate Insights for Custoias

Vila Nova de Foz Côa, Distrito da Guarda, Portugal

Hottest
July
28°C peak
Coldest
January
3°C low
Wettest
April
116mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Custoias is temperate. The average annual temperature is 13°C and approximately 835mm of precipitation falls per year. April is the wettest month, receiving around 116mm of rainfall. Custoias is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, February, December, when temperatures can drop to 3°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 10° Average: 6° Min: 3° Feb Max: 12° Average: 8° Min: 4° Mar Max: 14° Average: 9° Min: 5° Apr Max: 16° Average: 12° Min: 7° May Max: 21° Average: 15° Min: 10° Jun Max: 24° Average: 18° Min: 13° Jul Max: 28° Average: 21° Min: 15° Aug Max: 28° Average: 21° Min: 15° Sep Max: 25° Average: 19° Min: 13° Oct Max: 20° Average: 14° Min: 10° Nov Max: 13° Average: 9° Min: 6° Dec Max: 11° Average: 7° Min: 4°
Max
Average
Min

Temperatures in Custoias vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 21°C. January is the coolest month, with minimum temperatures around 3°C and an average of 6°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 90mm Snow: 0mm Feb Precipitation: 77mm Snow: 0mm Mar Precipitation: 106mm Snow: 0mm Apr Precipitation: 116mm Snow: 0mm May Precipitation: 66mm Snow: 0mm Jun Precipitation: 39mm Snow: 0mm Jul Precipitation: 16mm Snow: 0mm Aug Precipitation: 16mm Snow: 0mm Sep Precipitation: 23mm Snow: 0mm Oct Precipitation: 78mm Snow: 0mm Nov Precipitation: 106mm Snow: 1mm Dec Precipitation: 103mm Snow: 0mm
Precipitation
Snow

Custoias is a moderately rainy area, receiving approximately 835mm of precipitation annually, which averages out to around 70mm per month. The wettest month is April, averaging 116mm of rainfall. March and November also tend to see above-average precipitation. The driest month is July, with just 16mm. That's 100mm less than April, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 3km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Custoias is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

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

92 days until Autumn

It is currently summer in Custoias, which began on June 21, 2026. Custoias 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 July at around 28°C, while the coldest stretch bottoms out in January near 3°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 5 to 21°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 28°C. Rainfall is relatively light, with around 71mm over the season and a monthly average of 24mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 6 to 25°C. Precipitation is moderate at around 206mm for the season, averaging 69mm per month. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 3 to 12°C. Precipitation is moderate at around 270mm for the season, averaging 90mm per month. Winds are generally light, averaging 2km/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
Apr 12°
May 15°
Jun 18°
Jul 21°
Aug 21°
Sep 19°
Oct 14°
Nov
Dec

The best time to visit Custoias is during May, 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 32mm per month. By contrast, January can be quite cold with temperatures dropping to 3°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 Custoias 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
3 °C
10 °C
2 km/h
90 mm
0 cm
Feb
4 °C
12 °C
2 km/h
77 mm
0 cm
Mar
5 °C
14 °C
3 km/h
106 mm
0 cm
Apr
7 °C
16 °C
2 km/h
116 mm
0 cm
May
10 °C
21 °C
2 km/h
66 mm
0 cm
Jun Current
13 °C
24 °C
2 km/h
39 mm
0 cm
Jul
15 °C
28 °C
2 km/h
16 mm
0 cm
Aug
15 °C
28 °C
2 km/h
16 mm
0 cm
Sep
13 °C
25 °C
2 km/h
23 mm
0 cm
Oct
10 °C
20 °C
2 km/h
78 mm
0 cm
Nov
6 °C
13 °C
2 km/h
106 mm
1 cm
Dec
4 °C
11 °C
2 km/h
103 mm
0 cm
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