San José
January
Weather in San José for January 2025
Your guide to San José weather in January - trends and predictions
In general, the average temperature in San José at the beginning of January is 26 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.4 °C by the end of January.
San José sees moderate rainfall in January, averaging 10 rainy days.
Is January a good time to visit San José? check out the best time to travel to San José page.
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21
Dry days
10
Rainy days
0
Snow days
27°/12°
Temperatures
9 km/h
Avg max wind
80 %
Avg humidity
San José in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 25° | 3  27° | 4  26° | 5 26° | ||
| 6  27° | 7 26° | 8 25° | 9  25° | 10 26° | 11 27° | 12 26° |
| 13 25° | 14 25° | 15 25° | 16 26° | 17 25° | 18 25° | 19 27° |
| 20 25° | 21 26° | 22 25° | 23 26° | 24 27° | 25 26° | 26 25° |
| 27 24° | 28 24° | 29 27° | 30 26° | 31 26° |
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Temperatures trend during January in San José
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. | Patchy rain possible | 25° /12° | 0.6 mm | 6 | |
| 2 Jan. | Patchy rain possible | 25° /11° | 0.9 mm | 6 | |
| 3 Jan. | Overcast | 27° /12° | 0.4 mm | 6 | |
| 4 Jan. | Partly cloudy | 26° /11° | 0.4 mm | 7 | |
| 5 Jan. | Overcast | 26° /12° | 0.2 mm | 6 | |
| 6 Jan. | Cloudy | 27° /11° | 0.3 mm | 6 | |
| 7 Jan. | Cloudy | 26° /13° | 0.2 mm | 6 | |
| 8 Jan. | Patchy rain possible | 25° /14° | 1.3 mm | 6 | |
| 9 Jan. | Moderate rain at times | 25° /13° | 0.9 mm | 6 | |
| 10 Jan. | Cloudy | 26° /14° | 0.6 mm | 6 | |
| 11 Jan. | Patchy rain possible | 27° /12° | 1 mm | 6 | |
| 12 Jan. | Patchy rain possible | 26° /14° | 1.1 mm | 6 | |
| 13 Jan. | Overcast | 25° /14° | 1.6 mm | 6 | |
| 14 Jan. | Patchy rain possible | 25° /12° | 0.7 mm | 6 | |
| 15 Jan. | Patchy rain possible | 25° /12° | 1.3 mm | 6 | |
| 16 Jan. | Overcast | 26° /12° | 0.3 mm | 6 | |
| 17 Jan. | Patchy rain possible | 25° /14° | 0.4 mm | 6 | |
| 18 Jan. | Patchy rain possible | 25° /14° | 0.3 mm | 6 | |
| 19 Jan. | Overcast | 27° /13° | 0.3 mm | 6 | |
| 20 Jan. | Overcast | 25° /12° | 0.3 mm | 6 | |
| 21 Jan. | Overcast | 26° /12° | 0.2 mm | 6 | |
| 22 Jan. | Patchy rain possible | 25° /13° | 0.7 mm | 6 | |
| 23 Jan. | Patchy rain possible | 26° /14° | 0.8 mm | 6 | |
| 24 Jan. | Patchy rain possible | 27° /13° | 0.8 mm | 6 | |
| 25 Jan. | Patchy rain possible | 26° /13° | 1.2 mm | 6 | |
| 26 Jan. | Patchy rain possible | 25° /13° | 0.9 mm | 6 | |
| 27 Jan. | Overcast | 24° /13° | 0.9 mm | 6 | |
| 28 Jan. | Patchy rain possible | 24° /13° | 0.8 mm | 6 | |
| 29 Jan. | Partly cloudy | 27° /12° | 0.4 mm | 7 | |
| 30 Jan. | Cloudy | 26° /12° | 0.2 mm | 6 | |
| 31 Jan. | Partly cloudy | 26° /13° | 0.9 mm | 7 | |
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Important Notice
Our weather forecast for San José 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 San José forecast closer to your planned date for the most up-to-date weather information.
San José in January - FAQ
What are the expected maximum and minimum temperatures in San José during January?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San José during January?
In January, San José can expect light to moderate rainfall, totaling 42.3 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San José during January?
The average wind speed in San José during January is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to San José in January?
As you prepare for your trip to San José in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in San José, during January, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
January rainfall patterns in San José
Explore the daily rainfall trends and prepare for San Josés January weather 💧
UV exposure in San José during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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