Harper
4.37° N, 7.72° W
When to go?
Mean 26 °C, 12 rain days in the month (77 mm).
Good for
- Ideal for the seawater at 28 °C
Against
- Hothighs of 29 °C
Mean 27 °C, 13 rain days in the month (75 mm).
Good for
- Ideal for the seawater at 28 °C
Against
- Hothighs of 29 °C
Mean 27 °C, 18 rain days in the month (100 mm).
Good for
- Ideal for the seawater at 28 °C
Against
- Hothighs of 30 °C
- Often rainyrain on 6 days in 10
Mean 27 °C, 22 rain days in the month (135 mm).
Good for
- Ideal for the seawater at 29 °C
Against
- Hothighs of 30 °C
- Often rainyrain on 7 days in 10
Mean 27 °C, 26 rain days in the month (326 mm).
Against
- Hothighs of 29 °C
- Often rainyrain on 8 days in 10
- Torrential rain13 mm per rain day
Mean 26 °C, 23 rain days in the month (365 mm).
Against
- Hothighs of 27 °C
- Often rainyrain on 8 days in 10
- Torrential rain16 mm per rain day
Mean 25 °C, 19 rain days in the month (166 mm).
Against
- Hothighs of 26 °C
- Often rainyrain on 6 days in 10
Mean 25 °C, 20 rain days in the month (148 mm).
Against
- Hothighs of 26 °C
- Often rainyrain on 6 days in 10
Mean 25 °C, 25 rain days in the month (256 mm).
Against
- Hothighs of 27 °C
- Often rainyrain on 8 days in 10
Mean 26 °C, 27 rain days in the month (218 mm).
Good for
- Ideal for the seawater at 27 °C
Against
- Hothighs of 28 °C
- Often rainyrain on 9 days in 10
Mean 26 °C, 22 rain days in the month (146 mm).
Good for
- Ideal for the seawater at 28 °C
Against
- Hothighs of 28 °C
- Often rainyrain on 7 days in 10
Mean 26 °C, 15 rain days in the month (109 mm).
Good for
- Ideal for the seawater at 29 °C
Against
- Hothighs of 29 °C
- Often rainyrain on 5 days in 10
No ideal month: the best months are January–February, the least hot. Ideal for the sea: October–April. Avoid March–December (hot and often rainy, at times torrential rain).
What is the climate like?
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Daylight and sky: sunrise, sunset and cloud cover
daylight under a clear sky (average share)daylight under cloud
daylight under a clear sky (average share)daylight under cloud
Times on the 15th of each month, in local time: daylight saving where and when it applies, standard time in the other months.
Sea temperature: Atlantic Ocean
Monthly mean sea temperature: Atlantic Ocean (°C)
Monthly mean sea temperature: Atlantic Ocean (°C)
Effect of climate change
Today's climate (1996–2025) compared with 1961–1990:
In short
Year by year
Temperature of each year
Against 1961–1990 the mean temperature of today (1996–2025) has changed by +0.5 °C; in the last ten years by +0.7 °C. Warmest year: 2024 (+1.2 °C), coldest: 1956 (−0.5 °C).
December and January warmed the most (+0.7 and +0.6 °C), August the least (+0.3 °C).
Warming stripes: after an idea by Ed Hawkins (University of Reading), showyourstripes.info, CC BY 4.0.
Rain of each year (% against 1961–1990)
more rain than in 1961–1990less rain
Rain in a year: no clear trend, dry and wet years alternate as before.
The sea, then and now
+0.2 °Cthe sea today, compared with 1961–1990