Gampaha District Weather by Month: Temperature & Rainfall Guide

Gampaha District is a region in Sri Lanka. Many people wonder what the weather conditions are in Gampaha District over the year. What is the best time to visit Gampaha District?

This page shows the average weather conditions by month in Gampaha District over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Gampaha District ranges from good in Kapugoda to very good in Negombo. In Negombo you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in January here.

In February the weather in Gampaha District ranges from good in Gampaha to very good in Negombo. In Negombo you can expect very warm maximum average daytime temperatures around 32°C (90°F) and nighttime temperatures around 25°C (77°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in February here.

In March the weather in Gampaha District ranges from mixed in Kapugoda to very good in Negombo. In Negombo you can expect very warm maximum average daytime temperatures around 33°C (91°F) and nighttime temperatures around 26°C (79°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in March here.

In April the weather in Gampaha District ranges from less favorable in Gampaha to mixed in Negombo. In Negombo you can expect very warm maximum average daytime temperatures around 32°C (90°F) and nighttime temperatures around 26°C (79°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in April here.

In May the weather in Gampaha District is generally less favorable. In Negombo you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 27°C (81°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in May here.

In June the weather in Gampaha District is generally less favorable. In Negombo you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 26°C (79°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in June here.

In July the weather in Gampaha District is generally less favorable. In Negombo you can expect warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 26°C (79°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in July here.

In August the weather in Gampaha District ranges from less favorable in Katunayaka to mixed in Negombo. In Negombo you can expect warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 26°C (79°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in August here.

In September the weather in Gampaha District is generally less favorable. In Negombo you can expect warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 26°C (79°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in September here.

In October the weather in Gampaha District is generally less favorable. In Negombo you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 25°C (77°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in October here.

In November the weather in Gampaha District is generally less favorable. In Negombo you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 25°C (77°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in November here.

In December the weather in Gampaha District ranges from less favorable in Kapugoda to good in Negombo. In Negombo you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Gampaha District in December here.