Australia
Cairns in April: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Cairns in April is climatically well suited to beach holidays and family holidays. The average daily high is around 26 °C, and the sea is about 27 °C. With about 19 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
66/100 · #8
Warmth
#8
Dryness
#9
Sun
#9
Sea warmth
#6
Published best categories: none
Cairns · AprilPhoto: Ank Kumar · CC BY-SA 4.0Climate facts
- Average high
- 26 °C
- Average low
- 20 °C
- Sea
- 27 °C
- Rainy days (est.)
- 19 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 87 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| March | 27 | 22 | 22 | 357 | 6.6 | 88 | 1.7 | 29 | 62 |
| April (selected) | 26 | 20 | 19 | 198 | 6.1 | 87 | 1.9 | 27 | 66 |
| May | 24 | 18 | 16 | 104 | 5.3 | 86 | 1.8 | 26 | 72 |
How do the previous and next months compare?
Baseline: April (66/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| March | -4 | +1.3 °C | +1.4 °C | +2.3 | +158.9 mm | +0.5 h | +0.9 % | -0.2 m/s | +1.1 °C |
| May | +6 | -1.5 °C | -1.9 °C | -3.6 | -93.9 mm | -0.8 h | -1.4 % | -0.1 m/s | -1.7 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Cairns in April?
The average daily high is around 26 °C, with an average daily low of about 20 °C.
Can you swim in Cairns in April?
The sea is about 27 °C (very warm).
Does it rain a lot in Cairns in April?
The curated estimate is about 19 rainy days per month, not a directly measured long-term average. Total precipitation averages around 198 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Cairns?
By the climate score, July, August, September and October are the strongest months for Cairns. For a beach trip: August, September, October and November. April is not among them.