Guanacaste
January
Weather in Guanacaste for January 2026
Your guide to Guanacaste weather in January - trends and predictions
In general, the average temperature in Guanacaste at the beginning of January is 29.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.6 °C by the end of January.
The climate of Guanacaste in January is notably wet, with an average of 13 rainy days, and a total of 16.5 mm of precipitation.
Temperatures
Rain 🌧️
18
Dry days
13
Rainy days
0
Snow days
31°/22°
Temperatures
17 km/h
Avg max wind
74 %
Avg humidity
Guanacaste Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  30° | 3  28° | 4 29° | |||
| 5 30° | 6 30° | 7  31° | 8 29° | 9  28° | 10 30° | 11  31° |
| 12 32° | 13 31° | 14 30° | 15 31° | 16 30° | 17 29° | 18 30° |
| 19 32° | 20 30° | 21 31° | 22 30° | 23 30° | 24 31° | 25 30° |
| 26 31° | 27 32° | 28 32° | 29  32° | 30 32° | 31 32° |
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Temperatures trend during January in Guanacaste
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Moderate or heavy rain shower | 30° /22° | 4.9 mm | 7 | |
| 2 Jan. | Patchy rain possible | 30° /22° | 0.7 mm | 7 | |
| 3 Jan. | Heavy rain at times | 28° /22° | 1.7 mm | 6 | |
| 4 Jan. | Patchy rain possible | 29° /21° | 0.4 mm | 6 | |
| 5 Jan. | Moderate rain at times | 30° /21° | 0.9 mm | 7 | |
| 6 Jan. | Moderate rain at times | 30° /22° | 1.7 mm | 7 | |
| 7 Jan. | Cloudy | 31° /22° | 0 mm | 7 | |
| 8 Jan. | Patchy rain possible | 29° /23° | 0.1 mm | 6 | |
| 9 Jan. | Overcast | 28° /22° | 0 mm | 6 | |
| 10 Jan. | Patchy rain possible | 30° /21° | 0.4 mm | 7 | |
| 11 Jan. | Sunny | 31° /21° | 0 mm | 8 | |
| 12 Jan. | Sunny | 32° /21° | 0 mm | 8 | |
| 13 Jan. | Sunny | 31° /21° | 0 mm | 8 | |
| 14 Jan. | Moderate rain at times | 30° /21° | 1.1 mm | 7 | |
| 15 Jan. | Sunny | 31° /22° | 0 mm | 8 | |
| 16 Jan. | Patchy rain possible | 30° /21° | 0.1 mm | 7 | |
| 17 Jan. | Patchy rain possible | 29° /21° | 0.5 mm | 6 | |
| 18 Jan. | Cloudy | 30° /21° | 0 mm | 7 | |
| 19 Jan. | Patchy rain possible | 32° /21° | 0.2 mm | 7 | |
| 20 Jan. | Moderate rain at times | 30° /21° | 1 mm | 7 | |
| 21 Jan. | Cloudy | 31° /21° | 0 mm | 7 | |
| 22 Jan. | Moderate rain at times | 30° /22° | 1.4 mm | 7 | |
| 23 Jan. | Overcast | 30° /22° | 0 mm | 7 | |
| 24 Jan. | Moderate rain at times | 31° /22° | 0.8 mm | 7 | |
| 25 Jan. | Patchy rain possible | 30° /24° | 0.6 mm | 7 | |
| 26 Jan. | Overcast | 31° /23° | 0 mm | 7 | |
| 27 Jan. | Overcast | 32° /22° | 0 mm | 7 | |
| 28 Jan. | Overcast | 32° /21° | 0 mm | 7 | |
| 29 Jan. | Partly cloudy | 32° /22° | 0 mm | 8 | |
| 30 Jan. | Partly cloudy | 32° /23° | 0 mm | 8 | |
| 31 Jan. | Partly cloudy | 32° /22° | 0 mm | 8 | |
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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.
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 31° 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 13 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 💧
UV exposure in Guanacaste during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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