10 Hidden gems in Asia you need to visit
Explore 10 hidden gems in Asia offering authentic experiences, from pristine beaches and remote islands to cultural treks and peaceful mountain villages.
Mirissa Weather in January
January in Mirissa sees daytime temperatures around 30°C (86°F) and lows of 24°C (75°F) at night. With around 86 mm (3.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Mirissa in January
Typically, you can expect about 5 days of rain this month, with 86 mm (3.4 in) on average. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Mirissa in January
If you're visiting Mirissa in January, expect highs of 30°C (86°F) and overnight lows around 24°C (75°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Mirissa in January
The days are predominantly sunny, with an estimated total of around 250 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Mirissa.
Mirissa Temperature in January
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
18%
Precipitation
86 mm (3.4 in)
Rainy days
5 days
Sunshine
250 hours *
Percentage Sunshine
*
* Data from: Galle, Sri Lanka (29 KM, 18 Miles).
Mirissa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mirissa - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2026)
Based on our historical records, temperatures in Mirissa typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in January
Daily Historical Precipitation
47-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather records for Mirissa in January
Browse day-by-day weather records for Mirissa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mirissa historical weather extremes in January
Based on weather observations in Mirissa between 2004 and 2025, these are the recorded extremes during January.
- On January 22, 2024, temperatures climbed to 33°C (91°F), marking the warmest January day on record.
- The coldest January day was on January 12, 2011, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 12°C (54°F) on January 25, 2021, marking the coldest January night on record.
Best Places in Sri Lanka in January
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in January →
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 Mirissa in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Mirissa in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Mirissa 3-Day Forecast
More climate data for Mirissa
See the full Mirissa climate overview or explore weather in Sri Lanka.
Popular in January
Where to go in January - average daytime high across popular destinations.
Colombo
32°C (90°F) Negombo31°C (88°F) Mirissa30°C (86°F) Unawatuna29°C (84°F) Hikkaduwa29°C (84°F) Galle29°C (84°F) Kandy
27°C (81°F) Nuwara Eliya25°C (77°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
10 Hidden gems in Asia you need to visit
Where to Travel in July and August: Mexico, Thailand, Indonesia or Somewhere Else?
Compare July and August weather in Mexico, Thailand, Indonesia, Zanzibar and Sri Lanka, using historical climate data for temperature, rainfall and sunshine.
Safari at Yala West National Park
The best travel time is indicated by October to December. However from December to March you have the biggest chance to see leopards and elephants with March as the best month.
From Hikkaduwa to Hiriketiya: where to stay on the South Coast of Sri Lanka
We have selected a few of our favorite places to stay for you. With beautiful gardens, welcoming hosts, great food - these should definitely be on your bucket list!