Temperature
Pleasant by day, mild at night.
77°Ftypical October high
Typical range
October climate
October in Arenal Volcano
Costa Rica · Central America
Late-day mugginess is the main limitation.
Some tradeoffs
Afternoons can feel muggy.
Daytime high
77°F
Lows around 66°F
Rain
Rain most days
Sun
Not available
Air feel
Humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 30 wet days, the highest monthly average.
97%wet-day frequency
AmountWet-day chance
Sunshine
Sunshine estimates are less reliable here; cloud and rain patterns are a better guide.
Heat & humidity by month
Warm days, with humid periods.
97%October Heat feel
Easy airWarm airHumid air
Hourly temperature pattern
In October, afternoons feel about 79° and nights feel near 71°.
ComfortableWarmNight hours
Clear sky
Overcast skies this month.
10%October Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in October.
3 mphOctober Calm
More detailIncludes daypart comfort
Typical October day
October late afternoons are around 72°F, easing to about 69°F in early evening.
Avg temp Typical range
Morning74°F
Feels 79°F
Rain66%
Cloud84%
Humid airVery high
Sun intensityModerate
Midday76°F
Feels 81°F
Rain89%
Cloud88%
Humid airVery high
Sun intensityModerate
Late afternoon72°F
Feels 77°F
Rain80%
Cloud92%
Humid airVery high
Sun intensityLow
Early evening69°F
Feels 75°F
Rain38%
Cloud93%
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 | 74 | 63 | 4.5 | 16 | — | 87 |
| Feb | 76 | 63 | 2.1 | 9 | — | 83 |
| Mar | 78 | 64 | 1.2 | 7 | — | 80 |
| Apr | 80 | 65 | 2.1 | 10 | — | 80 |
| May | 80 | 67 | 9.9 | 24 | — | 86 |
| Jun | 78 | 67 | 12.6 | 29 | — | 90 |
| Jul | 77 | 67 | 10.4 | 28 | — | 90 |
| Aug | 78 | 67 | 9.9 | 28 | — | 90 |
| Sep | 79 | 66 | 11.3 | 29 | — | 90 |
| Oct | 77 | 66 | 12.8 | 30 | — | 91 |
| Nov | 76 | 65 | 11.8 | 26 | — | 90 |
| Dec | 75 | 64 | 7.8 | 22 | — | 88 |
Similar climates
Similar
Similar travel styleMonteverdeCosta RicaSimilar travel stylePerez ZeledonCosta RicaSimilar travel styleVang ViengLaosSimilar travel styleDominicaDominica
Want a side-by-side climate view? Compare Arenal Volcano with Monteverde.
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: temporarily unavailable while its source is reviewed.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology