Montezuma
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Montezuma Weather in May

With daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F), May in Montezuma brings high temperatures during the day. Do keep in mind that May is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Montezuma in May

Montezuma is in the rainy season in May, with rain on around 17 days and an average of 338 mm (13 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Montezuma in May

In May, Montezuma sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Montezuma in May

The city usually sees around 203 hours of sunlight, indicating many sunny days despite it being the rainy season.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and December typically offer the best weather for Montezuma.

Montezuma Temperature in May

Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
57%
Precipitation
338 mm (13 in)
Rainy days
17 days
Sunshine
203 hours *
Percentage Sunshine
*
* Data from: Puntarenas, Costa Rica (43 KM, 26 Miles).

Montezuma Weather by Month

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

Daily Historical Temperatures

32-year average (1987-2026)

Based on our historical records, temperatures in Montezuma typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in May

Historical weather records for Montezuma in May

Browse day-by-day weather records for Montezuma spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Montezuma historical weather extremes in May

Based on 21 years of weather observations (2005-2026), these are the most extreme conditions recorded in Montezuma.

  • On May 15, 2026, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
  • The lowest daytime temperature in May was 25°C (77°F), recorded on May 31, 2007.
  • The lowest overnight temperature recorded in May was 22°C (72°F) (May 25, 2007).

Best Places in Costa Rica in May

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 May →

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 Montezuma in May

Warm but pleasant conditions in Montezuma in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Montezuma in May

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

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

Montezuma 3-Day Forecast

More climate data for Montezuma

Popular in May

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.