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Weather on March 18

Nampa, ID

55 Years of Data

Avg High
57°F
Avg Low
32°F
Warmest
2007
63°F avg
Coldest
2002
29°F avg

About This Date

March 18th in Nampa, ID typically brings cool spring weather, with average highs around 57°F and lows near 32°F — a 25°F daily swing. Over 45 years of records, the warmest March 18th was in 2007 (63°F average), while the coldest was 2002 (29°F) — a 34°F range across recorded history. Precipitation has occurred on 29% of recorded March 18th dates, with snow falling 2% of the time.

Planning for March 18th in Nampa, ID? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
201564°43°53°
201451°31°41°
201350°29°39°
201249°36°42°0.51"
201150°29°39°
201064°35°50°
200957°31°44°
200852°33°42°0.25"
2007warmest78°48°63°
200656°32°44°
200555°25°40°
200469°40°54°
200358°35°46°
2002coldest41°18°29°0.13"0.5"
200151°36°43°0.05"
200052°26°39°
199960°30°45°
199853°28°41°
199766°43°54°
199659°29°44°
199562°30°46°
199462°38°50°
199357°44°51°1.85"
199257°37°47°
199160°31°45°
199065°40°52°
198951°33°42°0.03"
198858°25°41°
198751°35°43°1.07"
198653°31°42°
198562°30°46°
198451°30°41°0.03"
198348°34°41°0.1"
198253°28°41°0.79"
198150°21°36°
198054°29°41°0.97"
197955°24°40°
197872°36°54°
197746°24°35°
197663°37°50°
197564°36°50°0.51"
197459°33°46°
197354°18°36°
197274°44°59°0.76"
197147°22°34°
45 years of data from NAMPA SUGAR FACTORY

Nampa, ID Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Nampa, ID Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"2.1"4.1"JFMAMJJASOND1.6"0"
Rain (in) Snow (in)

Nampa, ID Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Nampa, ID

Nampa, ID has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

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