San Antonio
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San Antonio Weather in April

San Antonio in April sees high daytime temperatures of 27°C (81°F) and nighttime lows of 17°C (63°F). Rainfall is fairly high this month at around 95 mm (3.7 in), so pack a rain jacket to stay dry.

Rainfall in San Antonio in April

Typically, you can expect about 10 days of rain this month, with 95 mm (3.7 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in San Antonio in April

The excellent temperature in San Antonio in April makes it a solid month to visit, with 27°C (81°F) during the day and 17°C (63°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in San Antonio in April

Expect sunny days throughout the month, with an estimated 241 hours of sunshine. This makes it a pleasant time to visit San Antonio.

If you're inclined towards comfortable temperatures and drier conditions, April is a good time to visit San Antonio.

San Antonio Temperature in April

Min Temperature
17°C (63°F)
Max Temperature
27°C (81°F)
Chance of Rain
35%
Precipitation
95 mm (3.7 in)
Rainy days
10 days
Humidity
70% *
Sunshine
241 hours *
Percentage Sunshine
*
* Data from: San José, Costa Rica (12 KM, 7 Miles).

San Antonio Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Antonio - and find the best time to visit.

Best Places in Costa Rica in April

Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in April →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in San Antonio in April

Warm temperatures in April make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in San Antonio in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    8/10
  • Outdoor sports
    7/10

San Antonio 3-Day Forecast

More climate data for San Antonio

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

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