When to go · Posio
Posio, month by month
The best months for Posio: Feb, Mar, Jun, Jul, Aug, Sep. Months to avoid: Apr, May, Nov.
Month by month
- JanuaryGoodOutside the best window (Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours). Across Finland: Lapland in deep winter: blue-hour days, strong cold, good auroras. Helsinki is dark and icy.-8 °C (18 °F) / -17 °C (1 °F), 10 rain days18 °F (-8 °C) / 1 °F (-17 °C), 10 rain daysCrowds: Medium
- FebruaryGreatInside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.-7 °C (19 °F) / -16 °C (3 °F), 9 rain days19 °F (-7 °C) / 3 °F (-16 °C), 9 rain daysCrowds: Medium
- MarchGreatInside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.-2 °C (28 °F) / -12 °C (10 °F), 9 rain days28 °F (-2 °C) / 10 °F (-12 °C), 9 rain daysCrowds: Medium
- AprilAvoidListed as a month to avoid: Nov (dark, no snow base, little open); late Apr–May (melting snow, closed winter trails).3 °C (37 °F) / -6 °C (21 °F), 8 rain days37 °F (3 °C) / 21 °F (-6 °C), 8 rain daysCrowds: Low
- MayAvoidListed as a month to avoid: Nov (dark, no snow base, little open); late Apr–May (melting snow, closed winter trails).10 °C (50 °F) / 0 °C (32 °F), 9 rain days50 °F (10 °C) / 32 °F (0 °C), 9 rain daysCrowds: Low
- JuneGreatInside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.17 °C (63 °F) / 6 °C (43 °F), 10 rain days63 °F (17 °C) / 43 °F (6 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatInside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.20 °C (68 °F) / 9 °C (48 °F), 11 rain days68 °F (20 °C) / 48 °F (9 °C), 11 rain daysCrowds: High
- AugustGreatInside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.17 °C (63 °F) / 7 °C (45 °F), 11 rain days63 °F (17 °C) / 45 °F (7 °C), 11 rain daysCrowds: Medium
- SeptemberGreatInside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.11 °C (52 °F) / 3 °C (37 °F), 10 rain days52 °F (11 °C) / 37 °F (3 °C), 10 rain daysCrowds: Medium
- OctoberMixedOutside the best window (Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours). Across Finland: Grey and wet; museums and saunas; auroras in the north on clear nights.4 °C (39 °F) / -1 °C (30 °F), 11 rain days39 °F (4 °C) / 30 °F (-1 °C), 11 rain daysCrowds: Low
- NovemberAvoidListed as a month to avoid: Nov (dark, no snow base, little open); late Apr–May (melting snow, closed winter trails).-2 °C (28 °F) / -8 °C (18 °F), 11 rain days28 °F (-2 °C) / 18 °F (-8 °C), 11 rain daysCrowds: Low
- DecemberGoodOutside the best window (Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours). Across Finland: Rovaniemi's Christmas peak, polar night in the north; Helsinki Christmas market; closures 24–26 Dec.-6 °C (21 °F) / -14 °C (7 °F), 11 rain days21 °F (-6 °C) / 7 °F (-14 °C), 11 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Posio, side by side.
Verdict
Feb: Great
Mar: Great
Daytime high
Feb: -7 °C (19 °F)19 °F (-7 °C)
Mar: -2 °C (28 °F)28 °F (-2 °C)
Night low
Feb: -16 °C (3 °F)3 °F (-16 °C)
Mar: -12 °C (10 °F)10 °F (-12 °C)
Rain days
Feb: 9
Mar: 9
Crowds
Feb: Medium
Mar: Medium
Prices
Feb: High
Mar: High
Festivals listed
Feb: 0
Mar: 0
February: Inside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.
March: Inside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.
Posio: figures are long-term averages from this guide, not a forecast.