San José Province · Costa Rica
San José in December
In December, San José averages a daytime high of 27 °C and a night-time low of 19 °C, with about 22 mm of rain over the month. By the measure used here it is one of the most comfortable months to visit; they run December to March.
- Average high
- 27 °C
- Average low
- 19 °C
- Rain in the month
- 22 mm
- Daylight on 15 Dec
- 11 h 30 min
- Comfortable month
- Yes
- Places to stay
- 113
When to go
How December compares with the rest of the year in San José
December is tied for the coolest month in San José by average daytime high; across the year the highs run from 27 °C to 30 °C and the lows from 19 °C to 21 °C. By day, December is about the same as November, and January is 1 °C warmer than December.
December brings 22 mm of rain, less than the monthly average of 184 mm (2206 mm a year); it is the 10th wettest month.
On 15 December the sun is up for about 11 h 30 min, against 11 h 30 min at the shortest and 12 h 40 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 28 °C | 20 °C | 7 mm | Yes |
| February | 28 °C | 20 °C | 7 mm | Yes |
| March | 29 °C | 20 °C | 23 mm | Yes |
| April | 30 °C | 21 °C | 93 mm | |
| May | 29 °C | 21 °C | 317 mm | |
| June | 28 °C | 21 °C | 284 mm | |
| July | 28 °C | 21 °C | 236 mm | |
| August | 28 °C | 20 °C | 266 mm | |
| September | 27 °C | 20 °C | 341 mm | |
| October | 27 °C | 20 °C | 436 mm | |
| November | 27 °C | 19 °C | 175 mm | |
| December | 27 °C | 19 °C | 22 mm | Yes |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is December a good time to visit San José?
Yes, by the measure used here: in December the average high of 27 °C is between 18 °C and 29 °C and the 22 mm of rain is under 80 mm. The comfortable months in San José are December to March.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Costa Rica in December
Nationwide public holidays; shops and offices may close on these dates.
When to go
Destinations near San José that are comfortable in December
Within 300 km, nearest first, by the same measure.
Where to stay
Where to stay in San José
This guide lists 113 places to stay in San José: 1 chain property with its details and own websites, and 112 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 11; 1–3 km, 29; 3–10 km, 25; 10 km or more, 48.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.