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The average temperature in Oga over the whole year is 12°C. August is the hottest month, with highs of about 28°C; February is the coldest, with lows of about -1°C. Oga has no sharply defined rainy season: the chance of rain on a given day runs from 22% in July, the driest month, to 43% in December, the wettest. Winds in Oga are highest in February, averaging 4.4 m/s (16 km/h), and lightest in September, at 2.9 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Oga come in May, when the sky is typically 70% covered; January is the cloudiest month, at 83%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 1°C | -1°C | -4°C | 33% | 83% | 4.2 m/s | 0 | 0 | 1 |
| February | 2°C | -1°C | -4°C | 33% | 81% | 4.4 m/s | 0 | 0 | 2 |
| March | 7°C | 2°C | 2°C | 27% | 74% | 3.9 m/s | 1 | 0 | 18 |
| April | 13°C | 7°C | 8°C | 29% | 73% | 3.9 m/s | 14 | 0 | 54 |
| May | 19°C | 13°C | 16°C | 23% | 70% | 3.6 m/s | 56 | 3 | 76 |
| June | 23°C | 18°C | 22°C | 25% | 76% | 3.2 m/s | 75 | 25 | 53 |
| July | 27°C | 22°C | 28°C | 22% | 75% | 3.0 m/s | 41 | 55 | 13 |
| August | 28°C | 23°C | 30°C | 26% | 71% | 3.0 m/s | 26 | 52 | 7 |
| September | 24°C | 19°C | 24°C | 23% | 73% | 2.9 m/s | 65 | 36 | 38 |
| October | 17°C | 12°C | 15°C | 29% | 73% | 3.1 m/s | 51 | 3 | 75 |
| November | 11°C | 6°C | 6°C | 34% | 77% | 3.6 m/s | 9 | 0 | 45 |
| December | 3°C | 1°C | -2°C | 43% | 83% | 4.3 m/s | 0 | 0 | 6 |
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.
Year round, Oga has days of about 1°C at their warmest in January, its coolest month, and 28°C in August, its warmest; the coolest hours of the day run from -1°C to 23°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around December and least likely around July. 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.
Winter in Oga has typical daily highs of about 2°C and lows of about -0°C, with a 36% chance of rain on a given day.
Spring in Oga has typical daily highs of about 13°C and lows of about 8°C, with a 27% chance of rain on a given day.
Summer in Oga has typical daily highs of about 26°C and lows of about 21°C, with a 24% chance of rain on a given day.
Autumn in Oga has typical daily highs of about 17°C and lows of about 12°C, with a 29% chance of rain on a given day.
Oga has no sharply defined rainy season: the chance of rain on a given day runs from 22% in July, the driest month, to 43% in December, the wettest.
Winds in Oga are highest in February, averaging 4.4 m/s (16 km/h), and lightest in September, at 2.9 m/s (10 km/h). The prevailing wind is from the W.
The average temperature in Oga over the whole year is 12°C. August is the hottest month, with highs of about 28°C; February is the coldest, with lows of about -1°C.