Where to Go for Great Weather
Costa Rica · Guanacaste · January

Guanacaste in Januaryhow the month reads

January is one of the strongest months for Guanacaste inside Costa Rica, with average temperatures for the region. The safety bulletins below apply.

Rank
1 of 12
Score
90/100
January match
90/100

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What’s open · January

Things to do in Guanacaste in January

Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.

  • Temperature
    30°C
    −0.4°C vs. yearly mean
  • Month rank
    1 of 12
    for Guanacaste
  • Best months
    January · December · February
    highest regional score
12-month temperature · Guanacaste

January in context

Temperature°C
Temperature · 12-month climatologyGuanacaste, Costa Rica — January. Average daytime high by month in °C. Lowest in November (28.7), highest in April (32.3). Monthly means: 29.7, 30.6, 31.7, 32.3, 31.1, 29.6, 29.7, 29.8, 29.7, 29.0, 28.7, 29.0.
View data table
MonthAverage daytime high (°C)
January29.7
February30.6
March31.7
April32.3
May31.1
June29.6
July29.7
August29.8
September29.7
October29.0
November28.7
December29.0
Safety · 6 governments

What the governments say about Costa Rica

Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 6 governments · Advisory last changed
See breakdown by country
AU

Exercise increased caution

Changed Checked www.smartraveller.gov.au
CA

Exercise increased caution

Changed Checked travel.gc.ca
DE

Exercise normal precautions

Changed Checked www.auswaertiges-amt.de
UK

Exercise normal precautions

Changed Checked www.gov.uk
US

Exercise increased caution

Changed Checked travel.state.gov
← Earlier
December

29°C in Dec

Later →
February

31°C in Feb

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Plan a January trip to Guanacaste.

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