Guia weather by month

Check out Guia weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Guia (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	61	61	64	66	72	77	81	82	79	72	66	61
Min temperature (night-time)	46	48	48	52	55	59	64	63	63	59	52	48
Heat & Humidity	0	0	0	0	0	L	M	M	L	0	0	0
Sea temperature	61	59	59	61	63	66	68	70	68	66	64	63

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Guia

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	6	7	8	10	11	12	11	9	7	6	5
Daily hours of daylight	10	11	12	13	14	15	14	14	12	11	10	10
UV Index (Maximum)	2	4	5	7	8	9	9	9	7	5	3	2

Rainfall in Guia

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	9	11	7	9	5	2	1	1	2	8	10	12
Average monthly rainfall (inches)	3.8	2.7	2.1	1.6	1.1	0.6	0.0	0.1	0.6	2.1	3.3	3.9

More about the Guia

Guia by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Algarve

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The climate guide for Algarve (Guia) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Guia?

Guia has a temperate climate with hot dry summers.

Guia weather in January

Expect daytime maximum temperatures of 61°F in Guia, Algarve in January based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 3.8 inches of rainfall in the month.

61
61°F max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
46
46°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.8
3.8 inches of monthly rainfall
2
2 (Low) UV index
61
61°F sea temperature

Back to months

Guia weather in February

Expect daytime maximum temperatures of 61°F in Guia, Algarve in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 2.7 inches of rainfall in the month.

61
61°F max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
48
48°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.7
2.7 inches of monthly rainfall
4
4 (Moderate) UV index
59
59°F sea temperature

Back to months

Guia weather in March

Expect daytime maximum temperatures of 64°F in Guia, Algarve in March based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.1 inches of rainfall in the month.

64
64°F max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
48
48°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.1
2.1 inches of monthly rainfall
5
5 (Moderate) UV index
59
59°F sea temperature

Back to months

Guia weather in April

Expect daytime maximum temperatures of 66°F in Guia, Algarve in April based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.6 inches of rainfall in the month.

66
66°F max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
52
52°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
1.6
1.6 inches of monthly rainfall
7
7 (High) UV index
61
61°F sea temperature

Back to months

Guia weather in May

Expect daytime maximum temperatures of 72°F in Guia, Algarve in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

72
72°F max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
55
55°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
1.1
1.1 inches of monthly rainfall
8
8 (Very High) UV index
63
63°F sea temperature

Back to months

Guia weather in June

Expect daytime maximum temperatures of 77°F in Guia, Algarve in June based on long-term weather averages. There are 11 hours of sunshine per day on average.

77
77°F max day temperature
11
11 hours of sunshine per day
2
2 days with some rainfall
59
59°F min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
0.6
0.6 inches of monthly rainfall
9
9 (Very High) UV index
66
66°F sea temperature

Back to months

Guia weather in July

Expect daytime maximum temperatures of 81°F in Guia, Algarve in July based on long-term weather averages. There are 12 hours of sunshine per day on average.

81
81°F max day temperature
12
12 hours of sunshine per day
1
1 day with some rainfall
64
64°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
0.0
0.0 inches of monthly rainfall
9
9 (Very High) UV index
68
68°F sea temperature

Back to months

Guia weather in August

Expect daytime maximum temperatures of 82°F in Guia, Algarve in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

82
82°F max day temperature
11
11 hours of sunshine per day
1
1 day with some rainfall
63
63°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
0.1
0.1 inches of monthly rainfall
9
9 (Very High) UV index
70
70°F sea temperature

Back to months

Guia weather in September

Expect daytime maximum temperatures of 79°F in Guia, Algarve in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

79
79°F max day temperature
9
9 hours of sunshine per day
2
2 days with some rainfall
63
63°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
0.6
0.6 inches of monthly rainfall
7
7 (High) UV index
68
68°F sea temperature

Back to months

Guia weather in October

Expect daytime maximum temperatures of 72°F in Guia, Algarve in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.1 inches of rainfall in the month.

72
72°F max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
59
59°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.1
2.1 inches of monthly rainfall
5
5 (Moderate) UV index
66
66°F sea temperature

Back to months

Guia weather in November

Expect daytime maximum temperatures of 66°F in Guia, Algarve in November based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 3.3 inches of rainfall in the month.

66
66°F max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
52
52°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
3
3 (Moderate) UV index
64
64°F sea temperature

Back to months

Guia weather in December

Expect daytime maximum temperatures of 61°F in Guia, Algarve in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 3.9 inches of rainfall in the month.