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December weather forecast in Alajuela

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

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

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	627 mmHg		91%
	3.1 m/s

30 November, Sunday. day, 22°; night, 17°; partly cloudy

1 December, mon

	627 mmHg		91%
	3.2 m/s

1 December, Monday. day, 22°; night, 17°; rain

2 December, tue

	627 mmHg		91%
	3.2 m/s

2 December, Tuesday. day, 22°; night, 17°; rain

3 December, wed

	627 mmHg		89%
	3.3 m/s

3 December, Wednesday. day, 22°; night, 17°; rain

4 December, thu

	627 mmHg		90%
	3.3 m/s

4 December, Thursday. day, 22°; night, 17°; rain

5 December, fri

	627 mmHg		89%
	3.2 m/s

5 December, Friday. day, 22°; night, 17°; partly cloudy

6 December, sat

	627 mmHg		91%
	3.4 m/s

6 December, Saturday. day, 22°; night, 17°; rain

7 December, sun

	627 mmHg		90%
	3.5 m/s

7 December, Sunday. day, 22°; night, 17°; overcast

8 December, mon

	627 mmHg		90%
	3.4 m/s

8 December, Monday. day, 22°; night, 17°; rain

9 December, tue

	627 mmHg		90%
	3.3 m/s

9 December, Tuesday. day, 22°; night, 17°; rain

10 December, wed

	627 mmHg		92%
	3.3 m/s

10 December, Wednesday. day, 22°; night, 17°; rain

11 December, thu

	627 mmHg		92%
	3.2 m/s

11 December, Thursday. day, 22°; night, 17°; rain

12 December, fri

	627 mmHg		90%
	3.3 m/s

12 December, Friday. day, 22°; night, 17°; rain

13 December, sat

	627 mmHg		91%
	3.3 m/s

13 December, Saturday. day, 22°; night, 17°; rain

14 December, sun

	627 mmHg		91%
	3.3 m/s

14 December, Sunday. day, 22°; night, 17°; rain

15 December, mon

	627 mmHg		91%
	3.2 m/s

15 December, Monday. day, 22°; night, 16°; rain

16 December, tue

	627 mmHg		90%
	3.2 m/s

16 December, Tuesday. day, 22°; night, 17°; partly cloudy

17 December, wed

	627 mmHg		90%
	3.2 m/s

17 December, Wednesday. day, 22°; night, 17°; overcast

18 December, thu

	627 mmHg		89%
	3.5 m/s

18 December, Thursday. day, 22°; night, 17°; clear

19 December, fri

	627 mmHg		90%
	3.5 m/s

19 December, Friday. day, 22°; night, 17°; rain

20 December, sat

	627 mmHg		90%
	3.5 m/s

20 December, Saturday. day, 22°; night, 17°; rain

21 December, sun

	627 mmHg		91%
	3.4 m/s

21 December, Sunday. day, 22°; night, 16°; rain

22 December, mon

	627 mmHg		91%
	3.4 m/s

22 December, Monday. day, 22°; night, 16°; rain

23 December, tue

	627 mmHg		92%
	3.4 m/s

23 December, Tuesday. day, 22°; night, 17°; rain

24 December, wed

	627 mmHg		90%
	3.4 m/s

24 December, Wednesday. day, 22°; night, 17°; rain

25 December, thu

	627 mmHg		91%
	3.4 m/s

25 December, Thursday. day, 22°; night, 17°; rain

26 December, fri

	627 mmHg		91%
	3.6 m/s

26 December, Friday. day, 22°; night, 17°; rain

27 December, sat

	627 mmHg		91%
	3.5 m/s

27 December, Saturday. day, 22°; night, 16°; partly cloudy

28 December, sun

	627 mmHg		91%
	3.3 m/s

28 December, Sunday. day, 22°; night, 16°; rain

29 December, mon

	627 mmHg		91%
	3.4 m/s

29 December, Monday. day, 22°; night, 17°; rain

30 December, tue

	627 mmHg		91%
	3.6 m/s

30 December, Tuesday. day, 22°; night, 17°; partly cloudy

31 December, wed

	627 mmHg		90%
	3.6 m/s

31 December, Wednesday. day, 22°; night, 16°; clear

1 January, thu

	627 mmHg		90%
	3.8 m/s

1 January, Thursday. day, 22°; night, 16°; rain

2 January, fri

	627 mmHg		90%
	3.8 m/s

2 January, Friday. day, 22°; night, 16°; rain

3 January, sat

	627 mmHg		90%
	3.7 m/s

3 January, Saturday. day, 22°; night, 16°; rain

Average data for 10 years

Alajuela December

2

sunny days

23

days with precipitation

15

cloudy days

2 sunny days; 23 days with precipitation; 15 cloudy days;

91

%

air humidity

2.3

m/s

WindNE

240

mm of precipitation

(9% of annual average)

air humidity 91%; 240 millimeters of precipitation (9% of annual average); Wind north-easterly 2.3 Meters per second

Weather graphs for December

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

NE

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

San Jose
Managua
Juigalpa
Bocas del Toro
Granada
Liberia
La Fortuna
Leon
San Andres

Cities with similar weather in December

Hurgada
Hanoi
Hong Kong
Santiago
Agadir
Canberra
Capetown
Santa Cruz de Tenerife
Las Palmas de Gran Canaria

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in Alajuela is typically warm. Average daily high temperature in December is about 22 degrees above zero. On average, Alajuela has 23 rainy, 4 partly cloudy, 2 sunny, and 2 cloudy days in December. The rains are usually heavy. December as well as May, June, July, and August is considered the most uncomfortable time to visit Alajuela.

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