The most comfortable time to visit Riga is from June to early September. For walking, go from May to early October. Sunbathing weather is not what it offers.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Sun is not what Riga is for: the Sunbathing rating tops out at 26, mostly because it is too cool. The clearest skies come in June, when the sky is typically 54% covered at midday (partly cloudy).
The being outside season here runs from June to early September. It peaks in early August, at 84. The weakest stretch is from October to early April, when it drops to 0, mostly because it is too cold.
For walking, go from May to early October. It peaks in early September, at 82. Avoid late November to mid March for this: it falls to 0, mostly because it is too cold.
For snow, go in early and mid January. It peaks in early January, at 57. Avoid mid May to early October for this: it falls to 0, mostly because it is too mild. Snow here is a proxy: cold enough for snow to hold, with precipitation likely. It is not measured snow depth.
The year, measured
The average temperature in Riga over the whole year is 8°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -2°C. Riga has no sharply defined rainy season: the chance of rain on a given day runs from 9% in March, the driest month, to 22% in December, the wettest. Winds in Riga are highest in January, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.8 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Riga come in August, when the sky is typically 51% covered; December is the cloudiest month, at 88%.
Month by month Riga climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | -1°C | -2°C | -7°C | 21% | 85% | 3.8 m/s | 0 | 0 | 0 |
| February | 0°C | -2°C | -5°C | 17% | 79% | 3.6 m/s | 0 | 0 | 1 |
| March | 4°C | -1°C | -1°C | 9% | 69% | 3.4 m/s | 0 | 0 | 7 |
| April | 10°C | 4°C | 5°C | 11% | 60% | 3.6 m/s | 7 | 0 | 36 |
| May | 16°C | 9°C | 12°C | 10% | 52% | 3.1 m/s | 34 | 3 | 67 |
| June | 20°C | 14°C | 18°C | 10% | 52% | 3.0 m/s | 66 | 14 | 70 |
| July | 21°C | 16°C | 20°C | 10% | 52% | 2.9 m/s | 78 | 21 | 66 |
| August | 21°C | 14°C | 20°C | 12% | 51% | 2.8 m/s | 78 | 16 | 70 |
| September | 17°C | 10°C | 14°C | 10% | 55% | 2.9 m/s | 48 | 3 | 81 |
| October | 10°C | 6°C | 6°C | 18% | 70% | 3.6 m/s | 3 | 0 | 48 |
| November | 4°C | 3°C | -0°C | 20% | 86% | 3.6 m/s | 0 | 0 | 12 |
| December | 0°C | -1°C | -4°C | 22% | 88% | 3.6 m/s | 0 | 0 | 1 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Riga weather by season
Year round, Riga has days of about -1°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -2°C to 16°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around December and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Riga weather in winterDecember to February
Winter in Riga has typical daily highs of about -0°C and lows of about -2°C, with a 20% chance of rain on a given day.
Riga weather in springMarch to May
Spring in Riga has typical daily highs of about 10°C and lows of about 4°C, with a 10% chance of rain on a given day.
Riga weather in summerJune to August
Summer in Riga has typical daily highs of about 21°C and lows of about 15°C, with a 10% chance of rain on a given day.
Riga weather in autumnSeptember to November
Autumn in Riga has typical daily highs of about 10°C and lows of about 6°C, with a 16% chance of rain on a given day.
When is the rainy season in Riga?
Riga has no sharply defined rainy season: the chance of rain on a given day runs from 9% in March, the driest month, to 22% in December, the wettest.
What time of year is Riga windiest?
Winds in Riga are highest in January, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.8 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Riga year round?
The average temperature in Riga over the whole year is 8°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -2°C.
Where to go instead in early January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.