Guanacaste weather, climate and best time to visit

Best time to visit Guanacaste

The best time to visit the region in Guanacaste in Costa Rica is from January until September and November and December, when you will have a warm or hot temperature and limited till mediocre rainfall. The highest average temperature in in Guanacaste is 35°C in April and the lowest is 29°C in October.

Guanacaste has the tropical monsoon climate prevailing. If you want to know what the average temperature is in in Guanacaste or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.

Average weather Guanacaste by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 31 32 34 35 33 31 30 31 30 29 29 30
Precipitation (mm) 1 2 2 25 108 123 107 107 149 208 80 10

Travel and stay Guanacaste

Looking to book a flight to Guanacaste? Hop on one of these airlines.

14 day weather forecast Guanacaste

The weather for in Guanacaste will be 28° till 26° degrees in the next 14 days with every day chance of light rain showers till heavy rain.

Weather forecast this week

Tuesday 19 Oct Precip Chance Wind UV
28°
21°
29.1 mm 90% 1 m/s 7
Wednesday 20 Oct Precip Chance Wind UV
27°
22°
21.6 mm 90% 1 m/s 3
Thursday 21 Oct Precip Chance Wind UV
28°
21°
5.2 mm 65% 1 m/s 6
Friday 22 Oct Precip Chance Wind UV
28°
21°
5.9 mm 65% 1 m/s 6
Saturday 23 Oct Precip Chance Wind UV
28°
21°
14.8 mm 85% 2 m/s 6
Sunday 24 Oct Precip Chance Wind UV
28°
21°
10.0 mm 75% 1 m/s 3
Monday 25 Oct Precip Chance Wind UV
27°
22°
15.8 mm 85% 2 m/s 4

Weather forecast next week

Tuesday 26 Oct Precip Chance Wind UV
26°
21°
10.9 mm 80% 2 m/s 4
Wednesday 27 Oct Precip Chance Wind UV
27°
22°
11.3 mm 80% 2 m/s 6
Thursday 28 Oct Precip Chance Wind UV
26°
22°
8.2 mm 75% 2 m/s 5
Friday 29 Oct Precip Chance Wind UV
27°
22°
2.0 mm 40% 2 m/s 4
Saturday 30 Oct Precip Chance Wind UV
27°
22°
4.8 mm 60% 3 m/s 3
Sunday 31 Oct Precip Chance Wind UV
25°
21°
29.3 mm 90% 3 m/s 3
Monday 1 Nov Precip Chance Wind UV
26°
21°
0.5 mm 15% 3 m/s 3

Climate Guanacaste

The region Guanacaste has the tropical monsoon climate prevailing. You have high temperatures and a lot of rainfall throughout the year. The average annual temperature for Guanacaste is 31° degrees and there is about 923 mm of rain in a year. It is dry for 168 days a year with an average humidity of 76% and an UV-index of 7.

Climate table of Guanacaste

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 31 32 34 35 33 31 30 31 30 29 29 30
Night temp. (°C) 22 22 23 24 25 24 23 23 23 23 22 22
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 1 2 2 25 108 123 107 107 149 208 80 10
Days with rain 1 2 3 10 22 25 21 22 28 27 17 5
Dry days 30 26 28 20 9 5 10 9 2 4 13 26
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 7 8 10 10 9 10 11 10 9 8 9 10
Wind force (Bft) 4 4 4 3 2 2 3 2 2 2 2 3
UV-index 7 7 7 7 7 7 7 7 7 7 6 7

Guanacaste weather by month

What is the average weather like in a given month for Guanacaste? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.

Weather experiences Guanacaste

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Frequently asked questions

Where is Guanacaste?

The region Guanacaste is located in Costa Rica. It lies in a straight line at 5,443 miles from London.

The coordinates of Guanacaste are:

  • Latitude: 10.635039
  • Longitude: -85.43772

The GPS coordinates are 10° 38' N, 85° 26' W

How long is the flight to Guanacaste?

The flight time from London-Heathrow to Guanacaste is approximately 12 h. 10 min.

What are the largest airports in Guanacaste?

These are the largest airports in Guanacaste:

What is the currency of Guanacaste?

In Guanacaste the Costa Rican colon (CRC) is used to pay.

Exchange rates on 19 October 2021

  • 1 Costa Rican colon = 806.54 British pound
  • 1 British pound = 0.001 Costa Rican colon
  • 10 Costa Rican colon = 8,065.36 British pound
  • 10 British pound = 0.012 Costa Rican colon
  • 100 Costa Rican colon = 80,653.64 British pound
  • 100 British pound = 0.12 Costa Rican colon

What is the area code of Guanacaste?

The area code to call Guanacaste is +506.