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Miami in January: weather, sea & travel advice
This month's data profile
Sea conditions lead
Miami in January is climatically well suited to city breaks, family holidays, beach holidays and active holidays and hiking. The average daily high is around 23 °C, and the sea is about 25 °C. With about 9 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
82/100 · #5
Warmth
#12
Dryness
#2
Sun
#11
Sea warmth
#11
Published best categories: City break, Active
Miami · JanuaryPhoto: Robbschultz69 · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 20 °C
- Sea
- 25 °C
- Rainy days (est.)
- 9 rainy days (est.)
- Sun (est.)
- 4 h/day
- Humidity
- 76 %
For your trip planning
January: the coolest month, close to December and February
January is the coolest month in our Miami series, yet average daily highs sit only slightly below December and February. Precipitation is close in all three months, while February shows more estimated sun hours. For city trips, January counts among the best months. With the sea at 25 °C in our data, swimming remains plausible.
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 | 24 | 21 | 9 | 54 | 4.0 | 77 | 4.7 | 26 | 83 |
| January (selected) | 23 | 20 | 9 | 56 | 4.3 | 76 | 4.8 | 25 | 82 |
| February | 24 | 21 | 8 | 51 | 5.5 | 76 | 4.7 | 25 | 88 |
How do the previous and next months compare?
Baseline: January (82/100)
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 | +1 | +1.1 °C | +1.6 °C | ±0 | -2.2 mm | -0.3 h | +0.8 % | -0.1 m/s | +1.1 °C |
| February | +6 | +0.8 °C | +0.8 °C | -1.8 | -5.3 mm | +1.2 h | -0.4 % | -0.1 m/s | -0.1 °C |
All twelve months in context
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Frequently asked questions
How warm is Miami in January?
The average daily high is around 23 °C, with an average daily low of about 20 °C.
Can you swim in Miami in January?
The sea is about 25 °C (warm).
Does it rain a lot in Miami in January?
The curated estimate is about 9 rainy days per month, not a directly measured long-term average. Total precipitation averages around 56 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. January is not among them.