Joane, Portugal — Weather in May 2027

Monthly climate averages for Joane, Portugal. Based on 10-year ERA5 reanalysis data.

Csa Hot-Summer Mediterranean
8.1 /10
Good

May is a good month in Joane

Climate Overview

Joane, Portugal in May has warm conditions, with highs averaging 21.1°C (70°F). Rain falls on about 10 days this month.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 20°C (68°F) at the start to 24°C (75°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

Expect around 11.4h of sunshine at the start of May, increasing to 12.3h by the end.

The warmest days tend to fall around the 31th, averaging 24°C (75°F).

Compared to April, this month is about 3°C warmer with 2 fewer rainy days. Temperatures will rise further into June.

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Monthly May Averages

Temperature
21°C / 12°C
Feels Like
22°C / 10°C
Rain
10 days · 96 mm
Sunshine
11.8h / day
Humidity
76% — Humid
Wind
16 km/h
Wind Direction
NW (317°)
Gusts
36 km/h
Daylight
14.5 h
Cloud Cover
54%
Clear Sky Days
5.7
UV Index
6.8 — High
Dew Point
12°C — Comfortable
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

28°C 24°C 20°C 16°C 12°C 8°C 4°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 10 mm 151015202531
Rainfall

Daily Sunshine

0h 4h 8h 12h 16h 151015202531
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 06:16
Daylight 14.5h
Sunset 20:46

What to Expect

Daytime temperatures around 21°C (70°F) are ideal for full-day outdoor exploration.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Wet
Temp
13°C / 5°C
Feels Like
11°C / 2°C
Rain
12days (195 mm) Wet
Sun
6.1h Fair
Humidity
84% Humid
UV
2.1 Moderate
View Details
February
Fair
Temp
15°C / 6°C
Feels Like
12°C / 3°C
Rain
10days (142 mm) Wet
Sun
7.5h Good
Humidity
81% Humid
UV
3.1 Moderate
View Details
March
Fair
Temp
16°C / 7°C
Feels Like
14°C / 4°C
Rain
14days (171 mm) Wet
Sun
8.9h Good
Humidity
79% Humid
UV
4.4 Moderate
View Details
April
Good
Temp
18°C / 9°C
Feels Like
17°C / 7°C
Rain
12days (154 mm) Wet
Sun
10.6h Excellent
Humidity
77% Humid
UV
6.1 High
View Details
May
Good
Temp
21°C / 12°C
Feels Like
22°C / 10°C
Rain
10days (96 mm) Wet
Sun
11.8h Excellent
Humidity
76% Humid
UV
6.8 High
View Details
June best
Excellent
Temp
24°C / 14°C
Feels Like
25°C / 14°C
Rain
8days (60 mm) Wet
Sun
12.7h Excellent
Humidity
77% Humid
UV
7.3 Very High
View Details
July best
Excellent
Temp
28°C / 17°C
Feels Like
29°C / 17°C
Rain
3days (16 mm) Excellent
Sun
13.1h Excellent
Humidity
70% Muggy
UV
7.7 Very High
View Details
August best
Excellent
Temp
28°C / 17°C
Feels Like
30°C / 18°C
Rain
3days (15 mm) Excellent
Sun
12.2h Excellent
Humidity
68% Muggy
UV
7.1 Very High
View Details
September best
Excellent
Temp
25°C / 15°C
Feels Like
25°C / 15°C
Rain
7days (69 mm) Good
Sun
10.5h Excellent
Humidity
72% Muggy
UV
5.5 High
View Details
October
Good
Temp
21°C / 13°C
Feels Like
21°C / 12°C
Rain
13days (218 mm) Wet
Sun
8h Good
Humidity
78% Humid
UV
3.6 Moderate
View Details
November
Wet
Temp
16°C / 9°C
Feels Like
14°C / 7°C
Rain
14days (216 mm) Wet
Sun
6.6h Fair
Humidity
84% Humid
UV
2.5 Moderate
View Details
December
Wet
Temp
14°C / 7°C
Feels Like
12°C / 4°C
Rain
15days (204 mm) Wet
Sun
5.9h Fair
Humidity
86% Very Muggy
UV
2 Low
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 13°C / 5°C 11°C / 2°C 12days (195 mm) Wet 6.1h Fair 84% Humid 2.1 Moderate Wet View Details
February 15°C / 6°C 12°C / 3°C 10days (142 mm) Wet 7.5h Good 81% Humid 3.1 Moderate Fair View Details
March 16°C / 7°C 14°C / 4°C 14days (171 mm) Wet 8.9h Good 79% Humid 4.4 Moderate Fair View Details
April 18°C / 9°C 17°C / 7°C 12days (154 mm) Wet 10.6h Excellent 77% Humid 6.1 High Good View Details
May 21°C / 12°C 22°C / 10°C 10days (96 mm) Wet 11.8h Excellent 76% Humid 6.8 High Good View Details
June best 24°C / 14°C 25°C / 14°C 8days (60 mm) Wet 12.7h Excellent 77% Humid 7.3 Very High Excellent View Details
July best 28°C / 17°C 29°C / 17°C 3days (16 mm) Excellent 13.1h Excellent 70% Muggy 7.7 Very High Excellent View Details
August best 28°C / 17°C 30°C / 18°C 3days (15 mm) Excellent 12.2h Excellent 68% Muggy 7.1 Very High Excellent View Details
September best 25°C / 15°C 25°C / 15°C 7days (69 mm) Good 10.5h Excellent 72% Muggy 5.5 High Excellent View Details
October 21°C / 13°C 21°C / 12°C 13days (218 mm) Wet 8h Good 78% Humid 3.6 Moderate Good View Details
November 16°C / 9°C 14°C / 7°C 14days (216 mm) Wet 6.6h Fair 84% Humid 2.5 Moderate Wet View Details
December 14°C / 7°C 12°C / 4°C 15days (204 mm) Wet 5.9h Fair 86% Very Muggy 2 Low Wet View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Joane, with average highs of 21°C (70°F) and around 10 rainy days. Joane, Portugal in May has warm conditions, with highs averaging 21.1°C (70°F). Rain falls on about 10 days this month.
Joane typically sees around 10 rainy days in May with 96 mm (3.8 in) of total rainfall. An umbrella should suffice.
Nights in Joane during May are cool at around 12°C (53°F). Bring a jacket or sweater for evenings.
With highs of 21°C (70°F) and lows of 12°C (53°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Joane. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Joane during May is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Joane gets approximately 15 hours of daylight per day in May, with around 12 hours of sunshine.
Snow is uncommon in Joane during May based on 10-year climate averages.

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