Vs > Portland, Maine
Niger flag

Niamey vs Portland, Maine Climate & Distance Between

Usa flag
  • The distance between Niamey, Niger and Portland, Maine, Usa is approximately 7,574 km or 4,707 mi.
  • To reach Niamey in this distance one would set out from Portland, Maine bearing 92.1° or E and follow the great circles arc to approach Niamey bearing 132° or SE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
  • Niamey is in or near the tropical very dry forest biome whereas Portland, Maine is in or near the cool temperate wet forest biome.
  • The average annual temperature is 21.9 °C (39.4°F) warmer.
  • Average monthly temperatures vary by 16.8 °C (30.2°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 585.5 mm (23.1 in) less which is equivalent to 585.5 l/m² (14.37 US gal/ft²) or 5,855,000 l/ha (625,938 US gal/ac) less. About 1/2 as much.
  • There are 490 more hours of sunlight per year in Niamey. In whichever way circa 1h 21' more per day or about 1 1/5 as many.
  • The altitude of the sun at midday is overall 26° higher in Niamey than in Portland, Maine.
  • Relative humidity levels are 28.5% lower.
  • The mean dew point temperature is 7.9°C (14.2°F) higher.

Climate Comparison Table

The table shows values for Niamey relative to Portland, Maine. You can also view this comparison the other way around from the perspective of Portland, Maine vs Niamey.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +33 (+60) +35 (+63) +34 (+61) +30 (+53) +23 (+41) +15 (+26) +8 (+14) +8 (+14) +14 (+25) +23 (+41) +28 (+50) +32 (+57) +24 (+42)
average temperature iconAverage Temperature °C ( °F) +31 (+55) +32 (+58) +30 (+55) +28 (+50) +22 (+40) +15 (+26) +9 (+16) +8 (+15) +14 (+25) +22 (+39) +24 (+44) +28 (+51) +22 (+39)
minimum temperature iconAverage Min Temperature °C ( °F) +28 (+50) +29 (+53) +27 (+49) +25 (+46) +21 (+39) +15 (+26) +10 (+17) +9 (+17) +14 (+26) +21 (+37) +20 (+37) +25 (+44) +20 (+37)
rainfall iconAverage Precipitation mm (in) -90 (-4) -85 (-3) -89 (-4) -98 (-4) -57 (-2) -19 (-1) +76 (+3) +98 (+4) +14 (+1) -89 (-4) -131 (-5) -116 (-5) -586 (-23)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -12 ( -39) -11 ( -39) -11.5 ( -37) -11 ( -37) -9 ( -29) -6 ( -20) -1 ( -3) +3 (+10) -3 ( -10) -7 ( -23) -11 ( -37) -11 ( -35)   -90.5 ( -25)
sunshine iconAverage Sunlight Hours/ Day +4h 21' +3h 32' +2h 01' +1h 20' -0h 09' -1h 12' -2h 29' -2h 50' -0h 14' +2h 40' +4h 58' +4h 17'   +1h 21'
daylight iconAverage Daylight Hours & Minutes/ Day +2h 08' +1h 19' +0h 14' -0h 54' -1h 53' -2h 24' -2h 10' -1h 19' -0h 12' +0h 56' +1h 55' +2h 24'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +30.1 +29.9 +30 +30 +16.6 +10.2 +16.2 +30.1 +30.1 +30.1 +30.1 +30.1   +26
relative humidity iconRelative Humidity (%) -52 -49 -49 -40 -23 -17 -4 +8 -1 -20 -47 -48   -28.5
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +5.2 (+9) +6.5 (+12) +3 (+5) +7.4 (+13) +12.6 (+23) +8.5 (+15) +7 (+13) +9.8 (+18) +12.9 (+23) +13.8 (+25) +2.8 (+5) +4.9 (+9) +7.9 (+14)

There are so many comparison pages. Please post a link to one to help people find them:

Niamey vs Portland, Maine Discussion

You are welcome to incorporate your thoughts on the differences in climate or other matters such as contrasts in culture, standard of living, demographics etc.

Currently under general maintenance.

Climate Guides for Locations near Niamey

Climate Guides for Locations near Portland, Maine


Countries A-Z:         A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | W | Y | Z
Bright Future Dir.

© 2009 - 2015 climatemps.com - Sitemap - Contact Us - Privacy Policy -