Australia
Adelaide in January: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Adelaide in January is climatically well suited to beach holidays, family holidays, city breaks and active holidays and hiking. The average daily high is around 29 °C, and the sea is about 21 °C. With about 3 rainy days it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
83/100 · #4
Warmth
#1
Dryness
#2
Sun
#1
Sea warmth
#2
Published best categories: Overall, Beach, Family
Adelaide · JanuaryPhoto: Maggas at English Wikipedia · Public domainClimate facts
- Average high
- 29 °C
- Average low
- 16 °C
- Sea
- 21 °C
- Rainy days (est.)
- 3 rainy days (est.)
- Sun (est.)
- 10 h/day
- Humidity
- 52 %
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 | 27 | 14 | 4 | 23 | 9.7 | 54 | 3.1 | 20 | 86 |
| January (selected) | 29 | 16 | 3 | 17 | 9.8 | 52 | 3.3 | 21 | 83 |
| February | 29 | 16 | 2 | 17 | 8.8 | 53 | 3.2 | 22 | 85 |
How do the previous and next months compare?
Baseline: January (83/100)
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 | +3 | -2.5 °C | -1.9 °C | +1 | +6.2 mm | -0.1 h | +2.1 % | -0.2 m/s | -1.6 °C |
| February | +2 | -0.3 °C | +0.1 °C | -0.5 | ±0 mm | -1 h | +0.7 % | -0.1 m/s | +0.5 °C |
All twelve months in context
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Frequently asked questions
How warm is Adelaide in January?
The average daily high is around 29 °C, with an average daily low of about 16 °C.
Can you swim in Adelaide in January?
The sea is about 21 °C (swimmable).
Does it rain a lot in Adelaide in January?
The curated estimate is about 3 rainy days per month, not a directly measured long-term average. Total precipitation averages around 17 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Adelaide?
By the climate score, January, February, March and December are the strongest months for Adelaide. For a beach trip: January, February, March and December. January is one of them.