Gampaha Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Gampaha

Gampaha temperature today is 27°, feels like 31°, with a humidity level of 91% and wind at 3.71 km/h. Rain chance today is 100%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Gampaha: expect a high of 30° and a low of 24°, with light rain. Rain chance tomorrow is 100%.

moderate rain
27°
moderate rain
H: 27° L: 27°
Feels like 31°
AQI: (/5)
Humidity
91%
Dew 25°
Wind speed
3.71 km/h
WNW · G4.72
Pressure
1011 hPa
Visibility
10 km
Rain
2.05 mm
High Humidity
Humidity is 91%. May feel uncomfortable.
Weather Summary
Currently in Gampaha, expect varied conditions with warm temperatures around 27°, though it feels warmer. Winds are calm winds. High humidity may make it feel uncomfortable.
Precipitation Probability
100%
20
100%
23
100%
02
80%
05
42%
08
96%
11
90%
14
89%
17
100%
20
100%
23
50%
02
42%
05
0%
08
23%
11
93%
14
100%
17
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
26°
Fri
20:30
26°
 
25°
 
24°
 
28°
Sat
08:30
30°
 
30°
 
28°
 
26°
Sat
20:30
26°
 
25°
 
25°
 
28°
Sun
08:30
32°
 
30°
 
27°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
05:56
Sunset
Sunset
17:57
Moon Phase
Waning Crescent (3%)
Timezone: GMT+05:30
Last updated: Oct 9, 2026 7:34 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
7.089700
Longitude
Longitude
79.992500
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More about Gampaha
Content curated by the NearWeather editorial team · Updated periodically

Gampaha, Sri Lanka: Climate and Weather Year Round

Gampaha is a vibrant city located in the western province of Sri Lanka. It is known for its rich cultural heritage, bustling markets, and stunning natural landscapes. One important aspect that plays a significant role in shaping the city's lifestyle and activities is its climate and weather conditions throughout the year. Let's dive into the details of Gampaha's climate and weather patterns.

Geographical Location

Gampaha is situated just 22 kilometers north-east of the capital city, Colombo. The city lies at an elevation of 10 meters above sea level, and its geographical location has a significant impact on its climate.

Tropical Rainforest Climate

Gampaha experiences a tropical rainforest climate, also known as an Af climate according to the Köppen climate classification system. This means the city has high temperatures and heavy rainfall throughout the year.

Temperature

The temperatures in Gampaha remain relatively constant throughout the year, with only slight variations. The average annual temperature ranges from 26 to 31 degrees Celsius (78 to 88 degrees Fahrenheit). The warmest months are April and May, with temperatures often reaching around 32 degrees Celsius (90 degrees Fahrenheit). The coolest months are December and January, with temperatures dropping to around 24 degrees Celsius (75 degrees Fahrenheit).

Despite the relatively high temperatures, Gampaha enjoys a steady breeze coming from the nearby Indian Ocean, which provides some relief from the heat.

Rainfall

Rainfall is a prominent feature of Gampaha's climate. The city receives heavy rainfall throughout the year, with an average annual precipitation of around 3,000 millimeters (118 inches). The wettest months are from May to July, and October to December, during which the city experiences monsoon seasons. During these periods, rainfall can reach up to 400 millimeters (15.7 inches) per month.

It is worth noting that Gampaha experiences a short dry season from January to April, where rainfall reduces significantly. However, even during this time, occasional showers can occur.

Humidity

Gampaha has high humidity levels due to its proximity to the ocean and the consistent rainfall. The average relative humidity in the city ranges from 70% to 85% throughout the year. The highest humidity levels are experienced during the monsoon seasons, contributing to a humid and tropical environment.

Sunshine Hours

Gampaha enjoys a moderate amount of sunshine throughout the year. The average annual sunshine hours range from 5 to 7 hours per day. The sunniest months are February and March, while the monsoon seasons experience fewer hours of sunshine.

Climate Chart

Month Temperature (°C) Rainfall (mm)
January 24 - 31 70 - 90
February 25 - 31 60 - 80
March 25 - 32 90 - 110
April 25 - 32 200 - 250
May 26 - 32 300 - 350
June 26 - 31 200 - 250
July 26 - 31 200 - 250
August 26 - 31 200 - 250
September 25 - 31 250 - 300
October 25 - 31 300 - 350
November 25 - 31 250 - 300
December 24 - 31 100 - 150

Best Time to Visit Gampaha

The best time to visit Gampaha is during the dry season, from January to April. During this period, the city experiences less rainfall, making it ideal for outdoor activities and exploring the city's attractions. The temperatures are also relatively cooler during this time, providing a more comfortable experience for travelers.

However, if you are interested in experiencing the monsoon seasons and witnessing the lush greenery that comes with heavy rainfall, visiting Gampaha between May and July or October and December would be a great choice.

Conclusion

Gampaha's climate is characterized by high temperatures, heavy rainfall, and high humidity levels throughout the year. The city experiences a tropical rainforest climate, with only slight variations in temperature. The monsoon seasons bring significant amounts of rainfall, while the dry season provides a break from the showers. When planning a visit to Gampaha, it is essential to consider the weather patterns to make the most of your trip.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Gampaha
What is the temperature in Gampaha right now?

The current temperature in Gampaha is 27°, and it feels like 31°. Today's high is 27° and the low is 27°.

Will it rain in Gampaha today?

The chance of rain in Gampaha today is 100%. Current rainfall is 2.05 mm. Check the hourly forecast above for exact timing.

What is the weather in Gampaha today?

Gampaha is experiencing moderate rain with a temperature of 27°. Humidity is at 91% and wind speed is 3.71 km/h from the WNW.

What is the humidity in Gampaha today?

Humidity in Gampaha is 91% right now, with a dew point of 25°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Gampaha today?

Wind speed in Gampaha is 3.71 km/h, flowing at 289° WNW wind direction. Gusts up to 4.72 km/h.

What is the 5-day forecast for Gampaha?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Gampaha. Today's high is 27° and low is 27°, with a 100% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Gampaha today?

It feels like 31° in Gampaha today, with 100% cloud cover and 10 km visibility.

Weather in Gampaha