Porto Velho Weather in May

May in Porto Velho brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 23°C (73°F). Rainfall is on the higher side this month, averaging around 145 mm (5.7 in), so keep a rain jacket handy.

Rainfall in Porto Velho in May

Historically, May sees about 15 days of rain, with a monthly average of 145 mm (5.7 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Porto Velho in May

Daytime highs in Porto Velho in May reach 31°C (88°F), with nights around 23°C (73°F). For most visitors, the main thing to prepare for is the heat during the day. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Porto Velho in May

You can expect a moderate amount of sunlight, with approximately 185 hours. This means a pleasant mix of sun and overcast.

For Porto Velho itself, June generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.