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Weather in Guanacaste Province for May 2025

Your guide to Guanacaste Province weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Guanacaste Province at the beginning of May is 34.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 31.7 °C by the end of May.

  • Rain 🌧️

  • Expect significant rainfall in Guanacaste Province during May, with an average of 17 rainy days.

  • More

  • Is May a good time to visit Guanacaste Province? check out the best time to travel to Guanacaste Province page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
35°/24°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Guanacaste Province in May average weather

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Temperatures trend during May in Guanacaste Province

See the weather trend as well as the moving average line
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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Moderate or heavy rain shower
Moderate or heavy rain shower
35° /24° 2.2 mm 8
2 May Moderate or heavy rain shower
Moderate or heavy rain shower
33° /25° 4.3 mm 7
3 May Overcast
Overcast
34° /25° 2 mm 7
4 May Cloudy
Cloudy
34° /25° 0.9 mm 8
5 May Partly cloudy
Partly cloudy
35° /25° 1.1 mm 8
6 May Sunny
Sunny
35° /25° 0.2 mm 9
7 May Partly cloudy
Partly cloudy
35° /25° 0.9 mm 8
8 May Sunny
Sunny
34° /24° 0.8 mm 8
9 May Sunny
Sunny
35° /24° 1.3 mm 8
10 May Sunny
Sunny
35° /24° 13.8 mm 8
11 May Patchy rain possible
Patchy rain possible
35° /25° 3.2 mm 8
12 May Moderate or heavy rain shower
Moderate or heavy rain shower
35° /25° 8.9 mm 8
13 May Patchy rain possible
Patchy rain possible
33° /25° 5 mm 7
14 May Overcast
Overcast
33° /25° 1.6 mm 7
15 May Patchy rain possible
Patchy rain possible
33° /25° 8.7 mm 8
16 May Heavy rain at times
Heavy rain at times
31° /24° 12.9 mm 7
17 May Patchy rain possible
Patchy rain possible
33° /25° 11.4 mm 8
18 May Partly cloudy
Partly cloudy
34° /24° 3.5 mm 8
19 May Partly cloudy
Partly cloudy
35° /25° 1 mm 8
20 May Partly cloudy
Partly cloudy
35° /25° 1.5 mm 8
21 May Partly cloudy
Partly cloudy
35° /25° 1.9 mm 8
22 May Partly cloudy
Partly cloudy
34° /24° 0.2 mm 8
23 May Patchy rain possible
Patchy rain possible
34° /24° 2.3 mm 8
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
33° /25° 12.6 mm 8
25 May Moderate or heavy rain shower
Moderate or heavy rain shower
33° /24° 4.3 mm 7
26 May Moderate or heavy rain shower
Moderate or heavy rain shower
31° /24° 8.9 mm 7
27 May Moderate or heavy rain shower
Moderate or heavy rain shower
33° /24° 2.8 mm 7
28 May Patchy rain possible
Patchy rain possible
33° /24° 2.6 mm 7
29 May Moderate or heavy rain shower
Moderate or heavy rain shower
32° /24° 10.9 mm 7
30 May Moderate or heavy rain shower
Moderate or heavy rain shower
31° /23° 38.3 mm 7
31 May Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 31.7 mm 7
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Important Notice
Our weather forecast for Guanacaste Province in May 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 Province forecast closer to your planned date for the most up-to-date weather information.

Guanacaste Province in May - FAQ

What are the expected maximum and minimum temperatures in Guanacaste Province during May?
With daytime temperatures soaring above 35° and not dropping much below 24° at night, May in Guanacaste Province is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Guanacaste Province during May?
Significant rainfall exceeding 403.2 mm is expected in Guanacaste Province during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guanacaste Province during May?
The average wind speed in Guanacaste Province during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Guanacaste Province in May?

As you prepare for your trip to Guanacaste Province in May, 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 Guanacaste Province, during May, 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
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

May rainfall patterns in Guanacaste Province

Explore the daily rainfall trends and prepare for Guanacaste Provinces May weather 💧

UV exposure in Guanacaste Province during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Guanacaste Province?

Get accurate weather forecasts for Guanacaste Province, located at latitude 10.635 and longitude -85.438. Stay updated with localized weather information tailored for Guanacaste Province.

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