San José Province · Costa Rica
San José in April
In April, San José averages a daytime high of 30 °C and a night-time low of 21 °C, with about 93 mm of rain over the month. It falls outside San José's most comfortable months, December to March.
- Average high
- 30 °C
- Average low
- 21 °C
- Rain in the month
- 93 mm
- Daylight on 15 Apr
- 12 h 20 min
- Comfortable month
- No
- Places to stay
- 113
When to go
How April compares with the rest of the year in San José
April is the warmest 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, April is 1 °C warmer than March, and May is 1 °C cooler than April.
April brings 93 mm of rain, less than the monthly average of 184 mm (2206 mm a year); it is the 8th wettest month.
On 15 April the sun is up for about 12 h 20 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 April a good time to visit San José?
Not by the measure used here: the average high of 30 °C is above 29 °C and about 93 mm of rain is 80 mm or more. The comfortable months in San José are December to March; the nearest are March, before, and December, after.
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 April
Nationwide public holidays; shops and offices may close on these dates.
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.