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Climate Lab — San Isidro, Costa Rica

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
23
24
24
24
25
24
24
24
24
24
23
24
24
Daily mean°C
22
23
23
23
24
23
23
23
23
23
22
22
23
Daily low°C
21
22
22
22
23
22
22
22
21
22
21
21
22
Thermal comfort
High feels°C
32
33
32
32
33
32
32
32
32
32
31
32
32
Mean feels°C
30
31
31
29
29
28
28
27
28
27
26
29
29
Low feels°C
20
22
22
23
24
23
22
22
22
22
22
21
22
Humidity
Humidity%
82
79
79
83
88
88
88
88
88
89
89
86
86
Dewpoint°C
19.2
19.6
19.2
20.3
21.0
20.9
20.6
20.6
20.5
20.5
20.4
19.8
20.2
Precipitation
Rainfallmm
47
11
51
197
411
408
323
366
563
427
420
87
3312
Rain days≥1mm
14
1
20
24
31
30
31
31
30
31
30
20
293
Wind
Wind avgm/s
1.2
1.4
1.2
1.2
1.4
1.4
1.4
1.5
1.4
1.5
1.5
1.1
1.4
Wind gustsm/s
2.7
3.0
2.7
2.5
2.7
2.9
2.7
3.0
2.7
2.9
3.0
2.6
2.8
Sun & UV
Sunshinehrs/day
9.3
9.6
9.6
9.0
8.0
7.0
7.0
8.0
7.0
6.0
7.0
9.1
8.0
Clear skyindex
54%
69%
57%
27%
22%
18%
21%
18%
18%
17%
20%
44%
32%
UV indexmax avg
8.9
10.6
11.4
9.8
7.6
7.2
7.2
7.3
7.7
7.3
6.3
7.4
8.2
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Costa Rica

San Isidro: 22.5 °C. Typical range in Costa Rica: 19.3–24.5 °C. Low anchor: San José, 18.1 °C. High anchor: Puntarenas, 24.9 °C.

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