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Weather in Guanacaste for January 2026

Your guide to Guanacaste weather in January - trends and predictions

    Temperatures

  • Until now, January 2026 in Guanacaste has been nearly identical to the historical average, with a temperature of 30.8 °C (showing only a slight deviation of 0.1 °C).

  • Expect cooler weather in the next days in Guanacaste with the forecast suggesting a temperature of 30.9 °C, lower than the historical average.

  • In general, the average temperature in Guanacaste at the beginning of January is 30.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.6 °C by the end of January.

    • Rain 🌧️

  • Guanacaste experiences moderate rainfall in January, with an average of 6 rainy days and a total precipitation of 16.5 mm.

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/22°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Guanacaste Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy rain shower
30°
2
Patchy rain possible
30°
3
Heavy rain at times
30°
4
Patchy rain possible
30°
5
Moderate rain at times
30°
6
Moderate rain at times
31°
7
Cloudy
31°
8
Patchy rain possible
30°
9
Overcast
30°
10
Patchy rain possible
31°
11
Sunny
31°
12
Sunny
31°
13
Sunny
31°
14
Moderate rain at times
31°
15
Sunny
31°
16
Patchy rain possible
31°
17
Patchy rain possible
28°
18
Cloudy
30°
19
Patchy rain possible
32°
20
Moderate rain at times
31°
21
Cloudy
31°
22
Moderate rain at times
31°
23
Overcast
31°
24
Moderate rain at times
32°
25
Patchy rain possible
31°
26
Overcast
32°
27
Sunny
32°
28
Patchy rain possible
32°
29
Partly cloudy
31°
30
Partly cloudy
32°
31
Partly cloudy
31°

Temperatures trend during January in Guanacaste

See the weather trend as well as the moving average line

January weather in Guanacaste day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /21° 2.5 mm 7
2 Jan. Patchy rain possible
Patchy rain possible
 30° /21° 0.3 mm 7
3 Jan. Heavy rain at times
Heavy rain at times
 30° /21° 0.9 mm 6
4 Jan. Patchy rain possible
Patchy rain possible
 30° /20° 0.2 mm 6
5 Jan. Moderate rain at times
Moderate rain at times
 30° /21° 0.4 mm 7
6 Jan. Moderate rain at times
Moderate rain at times
 31° /21° 0.9 mm 7
7 Jan. Cloudy
Cloudy
 31° /21° 0 mm 7
8 Jan. Patchy rain possible
Patchy rain possible
 30° /21° 0.1 mm 6
9 Jan. Overcast
Overcast
 30° /21° 0 mm 6
10 Jan. Patchy rain possible
Patchy rain possible
 31° /20° 0.2 mm 7
11 Jan. Sunny
Sunny
 31° /21° 0 mm 7
12 Jan. Sunny
Sunny
 31° /21° 0 mm 7
13 Jan. Sunny
Sunny
 31° /21° 0 mm 7
14 Jan. Moderate rain at times
Moderate rain at times
 31° /21° 0.6 mm 7
15 Jan. Sunny
Sunny
 31° /21° 0 mm 7
16 Jan. Patchy rain possible
Patchy rain possible
 31° /21° 0.1 mm 7
17 Jan. Patchy rain possible
Patchy rain possible
 28° /21° 0.2 mm 6
18 Jan. Cloudy
Cloudy
 30° /21° 0 mm 7
19 Jan. Patchy rain possible
Patchy rain possible
 32° /21° 0.1 mm 6
20 Jan. Moderate rain at times
Moderate rain at times
 31° /21° 0.5 mm 6
21 Jan. Cloudy
Cloudy
 31° /21° 0 mm 6
22 Jan. Moderate rain at times
Moderate rain at times
 31° /21° 0.7 mm 7
23 Jan. Overcast
Overcast
 31° /21° 0 mm 7
24 Jan. Moderate rain at times
Moderate rain at times
 32° /21° 0.4 mm 7
25 Jan. Patchy rain possible
Patchy rain possible
 31° /22° 0.3 mm 7
26 Jan. Overcast
Overcast
 32° /21° 0 mm 7
27 Jan. Sunny
Sunny
 32° /22° 0 mm 2.5
28 Jan. Patchy rain possible
Patchy rain possible
 32° /21° 0.1 mm 2.5
29 Jan. Partly cloudy
Partly cloudy
 31° /21° 0.1 mm 2.5
30 Jan. Partly cloudy
Partly cloudy
 32° /21° 0 mm 0
31 Jan. Partly cloudy
Partly cloudy
 31° /22° 0 mm 7
Next
Important Notice
Our weather forecast for Guanacaste in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guanacaste forecast closer to your planned date for the most up-to-date weather information.
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Guanacaste in January - FAQ

What are the expected maximum and minimum temperatures in Guanacaste during January?

During January, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.

How much rainfall should be expected in Guanacaste during January?

Expect minimal rainfall in Guanacaste during January, with a total of 16.5 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Guanacaste during January?

The average wind speed in Guanacaste during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Guanacaste

Explore the daily rainfall trends and prepare for Guanacastes January weather 💧
Typically, Guanacaste has 6 rainy days in January with a total of 16.5 mm of rainfall.

UV exposure in Guanacaste during January

Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️

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Get accurate weather forecasts for Guanacaste, located at latitude 10.767 and longitude -85.647. Stay updated with localized weather information tailored for Guanacaste.

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