Climate Insights for Delta, CA - Airpult Climate Insights for Delta ========================== Metro Vancouver Regional District, British Columbia, [Canada](https://airpult.com/climate/ca) [Back to forecast](https://airpult.com/forecast/ca/delta/k090wfnsz8a0sjch6tew5)[Climate](https://airpult.com/climate/ca)[View historical data](https://airpult.com/history/ca/delta/k090wfnsz8a0sjch6tew5) Hottest August 24°C peak (75°F peak) Coldest February 3°C low (37°F low) Wettest November 250 mm rain (9.9 in rain) Best to Visit June, July, August Mild temps & low rain Climate Overview ---------------- The climate in Delta is temperate. The average annual temperature is 11°C and approximately 1,506 mm of precipitation falls per year. November is the wettest month, receiving around 250 mm of rainfall. Delta is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to 3°C. Snowfall occurs from January to December, with around 53cm accumulating over the season. (The climate in Delta is temperate. The average annual temperature is 52°F and approximately 59.3 in of precipitation falls per year. November is the wettest month, receiving around 9.9 in of rainfall. Delta is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to 37°F. Snowfall occurs from January to December, with around 21in accumulating over the season.) Temperature ----------- 0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecMaxAverageMin (0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecMaxAverageMin) Temperatures in Delta vary considerably across the year, with a 21°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. February is the coolest month, with minimum temperatures around 3°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures. (Temperatures in Delta vary considerably across the year, with a 38°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 75°F with a mean of 66°F. February is the coolest month, with minimum temperatures around 37°F and an average of 40°F. Daily temperature variation is modest, with an average difference of 11°F between highs and lows. The sharpest temperature change occurs between September and October, with a 9°F shift in average temperatures.) Precipitation ------------- 0mm50mm100mm150mm200mm250mmJanFebMarAprMayJunJulAugSepOctNovDecPrecipitationSnow (0in2in4in6in8in10inJanFebMarAprMayJunJulAugSepOctNovDecPrecipitationSnow (in)) Delta is a fairly wet location, receiving approximately 1,506 mm of precipitation annually, which averages out to around 125 mm per month. The wettest month is November, averaging 250 mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 18 mm. That's 232 mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 53cm accumulating over the season. February typically sees the most snow at around 19cm. (Delta is a fairly wet location, receiving approximately 59.3 in of precipitation annually, which averages out to around 4.9 in per month. The wettest month is November, averaging 9.8 in of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 0.7 in. That's 9.1 in less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 21in accumulating over the season. February typically sees the most snow at around 8in.) Wind ---- 0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecWind Speed (0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecWind Speed) Delta is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 10km/h in spring, 8km/h in summer, 11km/h in autumn. (Delta is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 6mph in spring, 5mph in summer, 7mph in autumn.) Best Time to Visit ------------------ Jan5° (41°F) Feb5° (40°F) Mar7° (45°F) Apr10° (50°F) May14° (57°F) Jun16° (61°F) Jul19° (66°F) Aug19° (66°F) Sep16° (60°F) Oct11° (52°F) Nov8° (46°F) Dec5° (41°F) The best time to visit Delta is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 48 mm per month. By contrast, February can be quite cold with temperatures dropping to 3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans. (The best time to visit Delta is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 1.9 in per month. By contrast, February can be quite cold with temperatures dropping to 37°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.) Monthly Climate Data -------------------- The table below shows monthly climate averages for Delta based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference. (The table below shows monthly climate averages for Delta based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.) Month Min Temperature Max Temperature Wind Speed Precipitation Snow Jan 3 °C (38 °F) 7 °C (45 °F) 13 km/h (8 mph) 216 mm (8.5 in) 12 cm (5 in) Feb 3 °C (37 °F) 8 °C (46 °F) 12 km/h (8 mph) 128 mm (5.1 in) 19 cm (8 in) Mar 5 °C (41 °F) 11 °C (51 °F) 11 km/h (7 mph) 147 mm (5.8 in) 3 cm (1 in) Apr 7 °C (45 °F) 14 °C (57 °F) 11 km/h (7 mph) 109 mm (4.3 in) 0 cm (0 in) May 10 °C (51 °F) 18 °C (65 °F) 9 km/h (5 mph) 60 mm (2.4 in) 0 cm (0 in) Jun 13 °C (55 °F) 20 °C (69 °F) 9 km/h (6 mph) 51 mm (2 in) 0 cm (0 in) Jul 14 °C (58 °F) 24 °C (75 °F) 8 km/h (5 mph) 18 mm (0.7 in) 0 cm (0 in) Aug 15 °C (59 °F) 24 °C (75 °F) 8 km/h (5 mph) 29 mm (1.1 in) 0 cm (0 in) Sep 13 °C (55 °F) 20 °C (68 °F) 9 km/h (5 mph) 93 mm (3.7 in) 0 cm (0 in) OctCurrent 9 °C (47 °F) 14 °C (58 °F) 11 km/h (7 mph) 180 mm (7.1 in) 0 cm (0 in) Nov 6 °C (42 °F) 10 °C (50 °F) 13 km/h (8 mph) 250 mm (9.9 in) 3 cm (1 in) Dec 3 °C (38 °F) 7 °C (44 °F) 13 km/h (8 mph) 223 mm (8.8 in) 16 cm (6 in)