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Alajuela weather in December

Weather in Alajuela: December

Average day temperature: 78.5°F
Average night temperature: 59.8°F
Sea water temperature: 83.0°F
Number of sunny days: 10 days
Day length: 11.5 - 11.6 hours
Number of rainy days: 5 days
Precipitation totals: 3.2 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 81°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during December were 75.8°F and 59.1°F.

Sea water temperature in Alajuela in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
77
79
81
83
85
87
89
91

The average sea water temperature in December of 2024 was 82.8°F. The highest and lowest sea temperatures during the month were 83.8°F and 81.9°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
29%
48%
23%

Mostly all days in December are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
3
6
9
12
15
18
21
24
27
10.9
22.6
21.4
19.6
15.5
21.1
19.4
6.5
1.8
1.6
3.4
10.9
22.6
21.4
19.6
15.5
21.1
19.4
6.5
1.8
1.6

Precipitation total value in Alajuela in December is 3.4 in. It makes december one of the most dry months of the year.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.3
3.5
4.6
5.8
7.0
8.1
3.2
2.4
2.2
2.8
3.5
2.6
2.7
4.1
5.5
6.8
6.2
5.2
3.2
2.4
2.2
2.8
3.5
2.6
2.7
4.1
5.5
6.8
6.2

The average wind speed value in December is 5.2 mph It makes December one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.5
3.8
5.0
6.3
7.5
8.8
3.5
3.8
4.2
4.5
4.7
4.2
5.5
6.5
7.0
7.3
6.7
5.9
3.5
3.8
4.2
4.5
4.7
4.2
5.5
6.5
7.0
7.3
6.7

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.9.

Best time for vacation in Alajuela

Sunniest months:
February 17 days
January 16 days
March 16 days
Warmest months:
March 83.6 °F
April 83.0 °F
February 82.3 °F
Warmest sea temp:
April 85.1 °F
May 84.9 °F
March 84.7 °F
Coldest months:
November 76.0 °F
October 76.0 °F
September 77.2 °F
Rainiest months:
October 26 days
September 26 days
June 25 days
Windiest months:
February 6.7 mph
January 6.3 mph
March 5.8 mph

Alajuela on a weather map

Leaflet | Tiles © Esri
Places in Costa Rica:
Name
°F
+66°F
+82°F
+59°F
+82°F
+75°F
+75°F
+82°F
+63°F
+82°F
+84°F
+77°F
+63°F
24 Hours Forecast
Alajuela
Local time: 21:26
April 06, sunday
0000
66°F
SW
4 mph
0300
66°F
SW
4 mph
0600
66°F
SW
4 mph
0900
81°F
SW
4 mph
1200
81°F
E
3 mph
1500
75°F
E
2 mph
1800
68°F
S
1 mph
2100
61°F
SW
3 mph
Units of measurement: °C / °F