Newcastle (OK), United States of America - Weather and Climate
The weather in Newcastle, Oklahoma, United States of America, can vary greatly throughout the year.
Temperatures shift from very warm
to cold over the course of the year.
The city receives a moderate amount of precipitation.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Newcastle. On average, daytime temperatures range from a very warm 34°C in August to a chilly 10°C in January.
Nighttime temperatures can drop, with average lows reaching -3°C in January.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Generally, Newcastle has a moderate amount of precipitation, averaging 953 mm of rain/snowfall annually. The seasons in Newcastle, bring significant changes in precipitation. The wettest month, May, receives heavy rainfall, with an average of 168 mm of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 26 mm over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Newcastle Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Newcastle, summer days are longer and more sunny, with daily sunshine hours peaking at 11.3 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Newcastle.
The city experiences its highest humidity in January, reaching 62%. In August, the humidity drops to its lowest level at 48%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed over the year ranges from 5 m/s in July, August and September to 7 m/s in March and April.
The mean monthly wind speed over the year (meters per second)
Forecast for Newcastle (OK)
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Newcastle in the United States of America
During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 34°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 10°C.
May tops the wettest month list with 168 mm of rainfall.
January is the driest month with 26 mm of precipitation.
August is the sunniest month with an average of 338 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
