Sri Lanka
Sri Lanka in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Sri Lanka in January is climatically well suited to beach holidays and family holidays. The average daily high is around 29 °C, and the sea is about 28 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
68/100 · #2
Warmth
#4
Dryness
#2
Sun
#4
Sea warmth
#10
Published best categories: Overall, Beach, City break, Family
Sri Lanka · JanuaryPhoto: Luboš Holič · CC BY-SA 3.0Climate facts
- Average high
- 29 °C
- Average low
- 23 °C
- Sea
- 28 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 78 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | 29 | 24 | 21 | 174 | 5.7 | 82 | 2.8 | 28 | 59 |
| January (selected) | 29 | 23 | 14 | 94 | 6.2 | 78 | 2.6 | 28 | 68 |
| February | 30 | 24 | 11 | 76 | 7.1 | 76 | 2.1 | 28 | 70 |
How do the previous and next months compare?
Baseline: January (68/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| December | -9 | -0.5 °C | +0.7 °C | +7.2 | +80 mm | -0.5 h | +3.2 % | +0.2 m/s | +0.4 °C |
| February | +2 | +0.8 °C | +0.5 °C | -2.5 | -18.4 mm | +0.9 h | -2.3 % | -0.5 m/s | +0.4 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Sri Lanka in January?
The average daily high is around 29 °C, with an average daily low of about 23 °C.
Can you swim in Sri Lanka in January?
The sea is about 28 °C (very warm).
Does it rain a lot in Sri Lanka in January?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 94 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Sri Lanka?
By the climate score, January, February, July and August are the strongest months for Sri Lanka. For a beach trip: January, February, July and August. January is one of them.