Santiago climate — normals and trends
Santiago (Panama) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 2,431 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (28.3 °C on average) and the coldest is October (25.5 °C). Rainfall peaks in October.
Santiago averages 0 frost days, 250 hot days (≥ 30 °C) and 233 rainy days per year.
Santiago has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.6 °C (on 3 May 1957) and the coldest 18.0 °C (on 11 January 1946).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SantiagoVeraguas Province
- coords
- 8.10°, -80.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
31.2°C
Average daily low
23.3°C
Annual rainfall
2,431mm
Sunshine / day
8.7h
Mean relative humidity
82%
Average peak wind
12.5km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
250 d/yr
Rainy days (≥ 1 mm)
233 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.3 °C
Average feels-like low
27.6 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
363 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.44 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
39.6 °C
3 May 1957
Coldest day
18.0 °C
11 January 1946
Wettest day
316 mm
26 July 1989
Windiest day
35.1 km/h
24 March 1986
Strongest gust
70.6 km/h
5 February 2009
Hottest feels-like
45.0 °C
3 May 1957
Coldest feels-like
19.4 °C
27 February 1944
Sunniest day
12.4 h
24 June 2015
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 31.5 °C | -0.2 °C | 36 mm | +17 mm |
| Feb | 32.3 °C | -1.0 °C | 105 mm | +96 mm |
| Mar | 33.7 °C | -0.7 °C | 13 mm | -8 mm |
| Apr | 33.8 °C | -0.4 °C | 136 mm | +54 mm |
| May | 31.6 °C | +0.4 °C | 319 mm | +42 mm |
| Jun | 30.9 °C | +0.9 °C | 403 mm | +76 mm |
| Jul | 31.8 °C | +1.5 °C | 270 mm | -39 mm |
| Aug | 31.3 °C | +1.2 °C | 213 mm | -104 mm |
| Sep | 30.6 °C | +0.8 °C | 329 mm | +12 mm |
| Oct | 29.7 °C | +0.5 °C | 352 mm | -17 mm |
| Nov | 30.5 °C | +0.9 °C | 191 mm | -89 mm |
| Dec | 30.7 °C | +0.3 °C | 113 mm | +7 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Santiago?
Santiago has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,431 mm of precipitation per year.
What is the hottest day ever recorded in Santiago?
The hottest day measured in Santiago between 1940 and 2025 was 3 May 1957, reaching 39.6 °C.
What is the coldest day in Santiago?
The coldest day measured in Santiago between 1940 and 2025 was 11 January 1946, at 18.0 °C.
Does it snow in Santiago?
Almost never: Santiago sees virtually no snow, with about 0 frost days per year.
Has the climate of Santiago warmed?
Yes: Santiago warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Santiago?
The wettest day measured in Santiago between 1940 and 2025 was 26 July 1989, with 316 mm of rain in 24 hours.
What was the windiest day in Santiago?
The windiest day measured in Santiago between 1940 and 2025 was 24 March 1986, with winds reaching 35.1 km/h.
What is the warmest month in Santiago?
The warmest month in Santiago is April (28.3 °C on average); the coldest is October (25.5 °C).
How much does it rain in Santiago?
Santiago receives on average 2,431 mm of precipitation per year, spread over about 233 rainy days.
Is it sunny in Santiago?
Santiago gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
Are there tropical nights in Santiago?
Yes: Santiago has on average 363 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santiago?
In Santiago, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 3 May 1957, and the lowest was 19.4 °C on 27 February 1944.
Compare Santiago with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santiago