Temperature
Warm by day, mild at night.
80°Ftypical December high
Typical range
December climate
December in La Fortuna
Costa Rica · Central America
Warm days and some sun. Humid air is the main drawback.
Some tradeoffs
Late
Daytime high
80°F
Lows around 70°F
Rain
Rain most days
Sun
10 h/day
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, and rain often persists for longer stretches. About 22 wet days, fewer than in most months.
71%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9.9 hDecember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
98%December Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In December, afternoons feel about 82° and nights feel near 75°.
ComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
28%December Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in December.
7 mphDecember Light breeze
More detailIncludes daypart comfort
Typical December day
December late afternoons are around 77°F, easing to about 74°F in early evening.
Avg temp Typical range
Morning77°F
Feels 80°F
Rain61%
Cloud69%
Humid airVery high
Sun intensityModerate
Midday80°F
Feels 83°F
Rain58%
Cloud61%
Humid airVery high
Sun intensityStrong
Late afternoon77°F
Feels 81°F
Rain45%
Cloud58%
Humid airVery high
Sun intensityLow
Early evening74°F
Feels 79°F
Rain36%
Cloud70%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 80 | 69 | 4.5 | 16 | 10.5 | 87 |
| Feb | 81 | 69 | 2.1 | 9 | 11.1 | 84 |
| Mar | 83 | 69 | 1.2 | 7 | 11.4 | 81 |
| Apr | 86 | 71 | 2.1 | 10 | 10.9 | 80 |
| May | 85 | 73 | 9.9 | 24 | 9.0 | 86 |
| Jun | 84 | 73 | 12.6 | 29 | 8.0 | 90 |
| Jul | 83 | 72 | 10.4 | 28 | 8.0 | 90 |
| Aug | 84 | 72 | 9.9 | 28 | 8.3 | 90 |
| Sep | 84 | 72 | 11.3 | 29 | 8.1 | 90 |
| Oct | 83 | 72 | 12.8 | 30 | 7.6 | 91 |
| Nov | 81 | 71 | 11.8 | 27 | 8.1 | 90 |
| Dec | 80 | 70 | 7.8 | 22 | 9.9 | 89 |
Similar climates
Similar
Similar travel stylePerez ZeledonCosta RicaSimilar travel styleJinjaUgandaSimilar travel styleVang ViengLaosSimilar travel styleMonteverdeCosta Rica
Want a side-by-side climate view? Compare La Fortuna with Perez Zeledon.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 22, 2026
Data & methodology