Weather on July 18

Durham, NC

55 Years of Data

Avg High
90°F
Avg Low
69°F
Warmest
2025
88°F avg
Coldest
1973
67°F avg

About This Date

July 18th in Durham, NC typically brings hot summer weather, with average highs around 90°F and lows near 69°F. Over 55 years of records, the warmest July 18th was in 2025 (88°F average), while the coldest was 1973 (67°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 18th dates historically, with the wettest July 18th recording 2.34" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

Planning for July 18th in Durham, NC? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest96°80°88°0.15"
202495°73°84°1.17"
202394°69°81°
202294°73°83°0.46"
202187°71°79°0.43"
202094°72°83°
201996°74°85°0.05"
201889°72°80°
201789°71°80°
201693°72°82°
201593°74°83°0.05"
201486°64°75°
201393°73°83°
201298°75°87°
201174°67°70°
201093°68°81°
200981°61°71°
200886°69°78°
200789°71°80°
200690°68°79°
200591°74°82°
200487°63°75°2.29"
200384°68°76°
200294°71°82°
200188°66°77°
200085°65°75°
199986°67°76°
199887°68°78°
199798°73°86°
199697°73°85°
199596°75°86°
199493°71°82°1.85"
199395°76°85°
199288°72°80°1.37"
199189°70°79°
199087°69°78°0.2"
198983°67°75°
198894°72°83°
198787°60°74°
198699°73°86°
198586°66°76°
198482°66°74°2.13"
198396°69°83°
198290°70°80°
198159°
198095°64°80°2.34"
197994°70°82°
197888°62°75°
197797°67°82°
197690°66°78°
197580°67°73°0.13"
197489°65°77°
1973coldest76°59°67°0.84"
197290°67°78°0.25"
197193°68°81°
55 years of data from DURHAM

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.