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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Montezuma's climate page.
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
*
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 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 →
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Montezuma's climate page.
See the full Montezuma climate overview or explore weather in Costa Rica.
