March
Other strong months: February and April
80/100 weather score
Sri Lanka · 1991–2020
Best time to visit
Nanu Oya
For Nanu Oya, March has the most comfortable weather in our climate comparison. Typical daytime highs are 22.4°C, nights average 10.6°C, and rainfall totals about 64 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthMarch
Typical daytime high22.4°C
Typical night-time low10.6°C
March rainfall64 mm
February
Other strong months: January and March
88/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
3 months fit your choices for Nanu Oya
October has the lowest comfort score at 36 out of 100, compared with March at 80. The main reason is that 258 mm of rain falls.
Quick answers
Planning a trip to Nanu Oya?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Nanu Oya?
March is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 22.4°C and 64 mm of rain.
What is the hottest month in Nanu Oya?
April is hottest in this record, with a typical daytime high of 22.5°C and a night-time low of 11.7°C.
Which month has the least rain?
March has the lowest monthly rainfall total at 64 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 20°C | 10.1°C | 96 mm | 7.6 | 11 h 45 | 65 | Good coverage |
| February | 21°C | 10.1°C | 69 mm | 5.9 | 11 h 54 | 74 | Good coverage |
| March | 22.4°C | 10.6°C | 64 mm | 6.4 | 12 h 04 | 80 | Good coverage |
| April | 22.5°C | 11.7°C | 124 mm | 11.9 | 12 h 16 | 69 | Good coverage |
| May | 21.6°C | 13.4°C | 196 mm | 14.3 | 12 h 26 | 56 | Good coverage |
| June | 19.2°C | 13.8°C | 170 mm | 15.5 | 12 h 31 | 52 | Good coverage |
| July | 18.7°C | 13.5°C | 136 mm | 14.9 | 12 h 29 | 55 | Good coverage |
| August | 19°C | 13.3°C | 133 mm | 14 | 12 h 21 | 57 | Good coverage |
| September | 19.6°C | 12.9°C | 164 mm | 15.5 | 12 h 09 | 52 | Good coverage |
| October | 19.7°C | 12.4°C | 258 mm | 18.4 | 11 h 57 | 36 | Good coverage |
| November | 19.9°C | 12.3°C | 225 mm | 17.8 | 11 h 48 | 42 | Good coverage |
| December | 19.3°C | 11.4°C | 207 mm | 15.8 | 11 h 43 | 43 | Good coverage |
What has changed
Recent daytime highs are
0.2°C warmer in Nanu Oya.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
-0.1
Feb
-0.5
Mar
-0.5
Apr
-0.3
May
+0.2
Jun
+0.8
Jul
+0.8
Aug
+0.8
Sep
+0.4
Oct
+0.3
Nov
+0.2
Dec
+0.1
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 29.9°C19 Jan 2020 | -2.6°C14 Jan 1929 | 124 mm7 Jan 1986 | 341 mm1986 · driest 0 mm in 1990 | 145 |
| February | 31.6°C29 Feb 2016 | -2.5°C16 Feb 1918 | 130 mm15 Feb 1994 | 244 mm2011 · driest 0 mm in 1988 | 147 |
| March | 27.9°C26 Mar 2018 | -1.9°C8 Mar 1899 | 102 mm10 Mar 2023 | 226 mm2017 · driest 0 mm in 1989 | 148 |
| April | 29.9°C14 Apr 2019 | 0.8°C25 Apr 1982 | 64 mm14 Apr 2013 | 239 mm2022 · driest 0 mm in 1990 | 152 |
| May | 32.5°C21 May 2012 | 0.8°C3 May 1935 | 139 mm28 May 1993 | 404 mm2016 · driest 0 mm in 1988 | 147 |
| June | 26.4°C3 Jun 1965 | 6.4°C1 Jun 1895 | 71 mm28 Jun 1984 | 456 mm2013 · driest 0 mm in 1988 | 147 |
| July | 26.6°C7 Jul 1897 | 6.0°C31 Jul 1885 | 108 mm19 Jul 2019 | 226 mm1995 · driest 0 mm in 1990 | 150 |
| August | 26.1°C18 Aug 1875 | 5.1°C27 Aug 1897 | 114 mm1 Aug 1994 | 302 mm2020 · driest 0 mm in 1999 | 152 |
| September | 25.8°C29 Sep 1871 | 5.0°C23 Sep 1876 | 73 mm5 Sep 2005 | 236 mm2023 · driest 0 mm in 1999 | 148 |
| October | 28.9°C19 Oct 2017 | 1.2°C2 Oct 1944 | 336 mm24 Oct 2001 | 507 mm1995 · driest 1 mm in 1969 | 147 |
| November | 28.6°C15 Nov 2003 | 1.4°C24 Nov 1949 | 181 mm23 Nov 1995 | 440 mm2023 · driest 0 mm in 1992 | 143 |
| December | 27.5°C4 Dec 1962 | -1.1°C28 Dec 1913 | 114 mm17 Dec 2012 | 443 mm2014 · driest 0 mm in 2024 | 150 |
| Month | Days 25°C+ | Heavy rain (10 mm+) |
|---|---|---|
| January | <1 | 2 |
| February | <1 | 2 |
| March | 1 | 2 |
| April | 1 | 3 |
| May | <1 | 4 |
| June | 0 | 4 |
| July | 0 | 3 |
| August | 0 | 3 |
| September | 0 | 3 |
| October | 0 | 5 |
| November | 0 | 4 |
| December | 0 | 4 |
The best month has moved. On the 1961–1990 numbers the strongest month here was April (scoring 88); on 2011–2025 it is March (79). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 50% | 28% | 9% | 32% | 18.7–20.9°C |
| February | 68% | 23% | 8% | 33% | 20.0–22.3°C |
| March | 75% | 23% | 7% | 31% | 20.9–23.3°C |
| April | 60% | 39% | 15% | 55% | 21.4–23.3°C |
| May | 54% | 44% | 18% | 55% | 20.1–22.7°C |
| June | 30% | 48% | 15% | 65% | 17.5–20.2°C |
| July | 23% | 47% | 14% | 65% | 17.1–19.6°C |
| August | 26% | 44% | 14% | 62% | 17.8–19.8°C |
| September | 28% | 49% | 15% | 67% | 18.0–20.5°C |
| October | 30% | 59% | 25% | 80% | 18.8–20.6°C |
| November | 30% | 56% | 22% | 77% | 19.1–20.5°C |
| December | 30% | 50% | 19% | 58% | 18.6–20.4°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 1233747
- NOAA station
- CE000434730 · NUWARA ELIYA
- Station distance
- 3.7 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 17 usable years
- Daylight
- Calculated from latitude 6.94°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Nanu Oya is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work