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Miami in July: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Miami in July is climatically mixed. The average daily high is around 30 °C, and the sea is about 29 °C. With about 27 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
54/100 · #11
Warmth
#2
Dryness
#11
Sun
#2
Sea warmth
#3
Published best categories: none
Miami · JulyPhoto: Robbschultz69 · CC BY-SA 4.0Climate facts
- Average high
- 30 °C
- Average low
- 28 °C
- Sea
- 29 °C
- Rainy days (est.)
- 27 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 76 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| June | 29 | 27 | 25 | 218 | 7.6 | 78 | 3.5 | 28 | 58 |
| July (selected) | 30 | 28 | 27 | 154 | 7.9 | 76 | 3.2 | 29 | 54 |
| August | 30 | 28 | 28 | 181 | 7.5 | 77 | 3.3 | 30 | 52 |
How do the previous and next months compare?
Baseline: July (54/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| June | +4 | -0.8 °C | -0.9 °C | -1.9 | +63.8 mm | -0.3 h | +1.5 % | +0.3 m/s | -1 °C |
| August | -2 | +0.2 °C | +0.3 °C | +0.8 | +26.7 mm | -0.4 h | +0.3 % | +0.1 m/s | +0.4 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Miami in July?
The average daily high is around 30 °C, with an average daily low of about 28 °C.
Can you swim in Miami in July?
The sea is about 29 °C (very warm).
Does it rain a lot in Miami in July?
The curated estimate is about 27 rainy days per month, not a directly measured long-term average. Total precipitation averages around 154 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Miami?
By the climate score, February, March, April and December are the strongest months for Miami. For a beach trip: February, March, April and November. July is not among them.